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Course Standards
General Course Information and Notes
General Notes
Laboratory investigations that include the use of scientific inquiry, research, measurement, problem solving, laboratory apparatus and technologies, experimental procedures, and safety procedures are an integral part of this course. The National Science Teachers Association (NSTA) recommends that at the high school level, all students should be in the science lab or field, collecting data every week. School laboratory investigations (labs) are defined by the National Research Council (NRC) as an experience in the laboratory, classroom, or the field that provides students with opportunities to interact directly with natural phenomena or with data collected by others using tools, materials, data collection techniques, and models (NRC, 2006, p. 3). Laboratory investigations in the high school classroom should help all students develop a growing understanding of the complexity and ambiguity of empirical work, as well as the skills to calibrate and troubleshoot equipment used to make observations. Learners should understand measurement error; and have the skills to aggregate, interpret, and present the resulting data (National Research Council, 2006, p.77; NSTA, 2007).Special Notes:
Instructional Practices
Teaching from a range of complex text is optimized when teachers in all subject areas implement the following strategies on a routine basis:
- Ensuring wide reading from complex text that varies in length.
- Making close reading and rereading of texts central to lessons.
- Emphasizing text-specific complex questions, and cognitively complex tasks, reinforce focus on the text and cultivate independence.
- Emphasizing students supporting answers based upon evidence from the text.
- Providing extensive research and writing opportunities (claims and evidence).
General Information
Student Resources
Original Student Tutorials
Learn how to graph linear functions by creating a table of values based on the equation in this interactive tutorial.
This is part 1 of a series of tutorials on linear functions.
Type: Original Student Tutorial
Learn about Newton's third law of motion on the basketball court in this interactive tutorial.
This is part 3 in a 4-part series. Click below to explore the other tutorials in the series.
- Part 1: Discovering Newton's First Law of Motion: On the Soccer Pitch
- Part 2: Discovering Newton’s Second Law of Motion: On the Softball Diamond
- Part 4: Newton’s Insight: Standing on the Shoulders of Giants
Type: Original Student Tutorial
Learn about Newton's second law of motion on the softball diamond with this interactive tutorial.
This is part 2 in a 4-part series. Click below to explore the other tutorials in the series.
- Part 1: Discovering Newton’s First Law of Motion: On the Soccer Pitch
- Part 3: Discovering Newton’s Third Law of Motion: On the Basketball Court
- Part 4: Newton’s Insight: Standing on the Shoulders of Giants
Type: Original Student Tutorial
Take to the soccer pitch to learn about Newton's first law of motion in this interactive tutorial.
This part 1 in a 4-part series. Click below to explore the other tutorials in the series.
Part 2: Discovering Newton’s Second Law of Motion: On the Softball Diamond (Coming soon)
Part 3: Discovering Newton’s Third Law of Motion: On the Basketball Court (Coming soon)
Part 4: Newton’s Insight: Standing on the Shoulders of Giants (Coming soon)
Type: Original Student Tutorial
Discover why some reactions leave you feeling warmer while others leave you feeling cooler in this interactive tutorial.
This is part 1 in a two-part series. Click to open Part 2 on endothermic and exothermic phase changes.
Type: Original Student Tutorial
Explore the differences between endothermic and exothermic phase changes in this interactive tutorial.
This is part 2 in a two-part series. Click to open Part 1 on endothermic and exothermic reactions.
Type: Original Student Tutorial
Explore the impacts on sea turtles, humans, and the economy when we live, work, and play at the beach with this interactive tutorial.
Type: Original Student Tutorial
Learn how scientists measure viral spread and use this information to make recommendations for the public in this interactive tutorial.
Type: Original Student Tutorial
Learn how to identify different sources of scientific claims and to evaluate their reliability in this interactive tutorial.
Type: Original Student Tutorial
Learn how to test scientific claims and judge competing hypotheses by understanding how they can be tested against one another in this interactive tutorial.
Type: Original Student Tutorial
Explore how heat changes the temperature or the state of matter of a material in this interactive tutorial.
Type: Original Student Tutorial
Genetic mutations can cause illness. Learn how genetic diseases can affect you and your communities in this interactive tutorial.
Type: Original Student Tutorial
Explore the three types of heat transfer that occur in our world as you complete this interactive tutorial.
Type: Original Student Tutorial
Dive into genetic mutations and learn how they can alter the phenotypes of organisms.
Type: Original Student Tutorial
Learn how the expression of genes is affected our environment, including lifestyle choices. In this interactive tutorial, you'll also explore how a combination of genes and environmental factors can impact the risk of multifactorial disease.
Type: Original Student Tutorial
Practice writing different aspects of an expository essay about scientists using drones to research glaciers in Peru. This interactive tutorial is part four of a four-part series. In this final tutorial, you will learn about the elements of a body paragraph. You will also create a body paragraph with supporting evidence. Finally, you will learn about the elements of a conclusion and practice creating a “gift.”
This tutorial is part four of a four-part series. Click below to open the other tutorials in this series.
- Drones and Glaciers: Eyes in the Sky (Part 1)
- Drones and Glaciers: Eyes in the Sky (Part 2)
- Expository Writing: Eyes in the Sky (Part 3)
- Expository Writing: Eyes in the Sky (Part 4)
Type: Original Student Tutorial
Learn how to write an introduction for an expository essay in this interactive tutorial. This tutorial is the third part of a four-part series. In previous tutorials in this series, students analyzed an informational text and video about scientists using drones to explore glaciers in Peru. Students also determined the central idea and important details of the text and wrote an effective summary. In part three, you'll learn how to write an introduction for an expository essay about the scientists' research.
This tutorial is part three of a four-part series. Click below to open the other tutorials in this series.
- Drones and Glaciers: Eyes in the Sky (Part 1)
- Drones and Glaciers: Eyes in the Sky (Part 2)
- Expository Writing: Eyes in the Sky (Part 3)
- Expository Writing: Eyes in the Sky (Part 4)
Type: Original Student Tutorial
Learn how to identify the central idea and important details of a text, as well as how to write an effective summary in this interactive tutorial. This tutorial is the second tutorial in a four-part series that examines how scientists are using drones to explore glaciers in Peru.
This tutorial is part two of a four-part series. Click below to open the other tutorials in this series.
- Drones and Glaciers: Eyes in the Sky (Part 1)
- Drones and Glaciers: Eyes in the Sky (Part 2)
- Expository Writing: Eyes in the Sky (Part 3)
- Expository Writing: Eyes in the Sky (Part 4)
Type: Original Student Tutorial
Learn about how researchers are using drones, also called unmanned aerial vehicles or UAVs, to study glaciers in Peru. In this interactive tutorial, you will practice citing text evidence when answering questions about a text.
This tutorial is part one of a four-part series. Click below to open the other tutorials in this series.
- Drones and Glaciers: Eyes in the Sky (Part 1)
- Drones and Glaciers: Eyes in the Sky (Part 2)
- Expository Writing: Eyes in the Sky (Part 3)
- Expository Writing: Eyes in the Sky (Part 4)
Type: Original Student Tutorial
Pathogens of all sorts can make us sick. Learn the whats, whys, and hows of the process in this interactive tutorial.
Type: Original Student Tutorial
Learn how to evaluate a speaker's point of view, reasoning, and use of evidence. In this interactive tutorial, you'll examine Abraham Lincoln's "Gettysburg Address" and evaluate the effectiveness of his words by analyzing his use of reasoning and evidence.
Type: Original Student Tutorial
Explore examples of mutualism, competition, and predation in the Kenyan savannah ecosystem.
Type: Original Student Tutorial
Learn how living organisms can be organized into food webs and how energy is transferred through a food web from producers to consumers to decomposers. This interactive tutorial also includes interactive knowledge checks.
Type: Original Student Tutorial
Examine how genetic identification is aiding marine biologists studying organisms in deep ocean regions. This interactive tutorial also features a CPALMS Perspectives video.
Type: Original Student Tutorial
Learn to distinguish between public health issues and individual health issues in this interactive tutorial.
This is part 1 of 4 in a series of tutorials addressing this standard.
Type: Original Student Tutorial
Explore species interdependence focusing on roles played by periphyton in the Everglades ecosystem with this interactive tutorial.
Type: Original Student Tutorial
Learn how you can use a microscope as a tool to measure objects in this interactive tutorial.
Type: Original Student Tutorial
See how data are interpreted to better understand the reproductive strategies taken by sea anemones with this interactive tutorial.
Type: Original Student Tutorial
Examine field sampling strategies used to gather data and avoid bias in ecology research. This interactive tutorial features the CPALMS Perspectives video .
Type: Original Student Tutorial
Learn about the basic molecular structures and primary functions of lipids with this interactive tutorial.
This is part 3 in a five-part series. Click below to explore other tutorials in the series.
- The Macromolecules of Life: Carbohydrates
- The Macromolecules of Life: Proteins
- The Macromolecules of Life: Nucleic Acids
Type: Original Student Tutorial
Learn about the first step of protein synthesis, transcription of DNA to RNA. In this interactive tutorial, you'll explore epigenetics as a mechanism to activate or inactivate gene expression.
Type: Original Student Tutorial
Explore the mystery of muscle cell metabolism and how cells are able to meet the need for a constant supply of energy. In this interactive tutorial, you'll identify the basic structure of adenosine triphosphate (ATP), explain how ATP’s structure is related it its job in the cell, and connect this role to energy transfers in living things.
Type: Original Student Tutorial
At any instant in your life, millions and millions of enzymes are hard at work in your body as well as all around you making your life easier!
By the end of this tutorial you should be able to describe how enzymes speed up most biochemical reactions as well as identify the various factors that affect enzyme activity like pH and temperature.
Type: Original Student Tutorial
Compare and contrast mitosis and meiosis in this interactive tutorial. You'll also relate them to the processes of sexual and asexual reproduction and their consequences for genetic variation.
Type: Original Student Tutorial
Explore the basic processes of transcription and translation, and how they result in the expression of genes as you complete this interactive tutorial.
Type: Original Student Tutorial
Learn how to identify and describe the leading scientific explanations of the origin of life on Earth.
Type: Original Student Tutorial
Learn about factors that affect the blood flow in your body in this interactive tutorial.
Type: Original Student Tutorial
Learn how DNA is copied and explain how this process allows cells to have identical genetic information with this interactive tutorial.
Type: Original Student Tutorial
Follow as we discover key features of a quadratic equation written in vertex form in this interactive tutorial.
Type: Original Student Tutorial
Explore how cells use ATP as an energy source for cellular activities in this interactive tutorial.
Type: Original Student Tutorial
Learn how to identify explicit evidence and understand implicit meaning in a text and demonstrate how and why scientific inferences are drawn from scientific observation and be able to identify examples in biology.
Type: Original Student Tutorial
Learn how to determine differences and similarities of the structure and function of compound light microscopes, dissecting microscopes, scanning electron microscopes and transmitting electron microscopes.
Type: Original Student Tutorial
Learn how the chemical properties of water relate to its physical properties and make it essential for life with this interactive tutorial.
Type: Original Student Tutorial
Learn how the distribution of aquatic life forms is affected by light, temperature, and salinity with this interactive tutorial.
Type: Original Student Tutorial
Learn how to better understand the composition of DNA, the purpose of the information in DNA, why the DNA sequence is considered a universal code, and what might happen if mistakes appear in the code with this interactive tutorial.
Type: Original Student Tutorial
Learn how to identify and define types of biotechnology and consider the impacts of biotechnologies on the individual, society and the environment in this interactive tutorial.
Type: Original Student Tutorial
Explore green chemistry and what it means to be benign by design in this interactive tutorial.
Type: Original Student Tutorial
Educational Games
Students attempt to save towns from damage prior to the arrival of several different natural disasters. Students will learn the importance of early prevention and actions to protect others, themselves and their property when faced with a natural disaster. Certain disasters are more appropriate for particular grade levels. Each scenario takes between 20 and 45 minutes to play, depending on the disaster for which your students are trying to prepare. There are five scenarios available, hurricane, tsunami, flood, earthquake, and wildfire. Each scenario can be played on easy, medium or hard difficulty levels. As with life, there are no "perfect solutions" to each scenario and no "perfect score", so students can play multiple times and the scenarios will still be slightly different.These simulation are part of a larger website that provides multiple links for natural disasters.
Type: Educational Game
Type: Educational Game
Lesson Plans
This lesson's primary focus is to introduce high school students to the concept of Elasticity, which is one of the fundamental concepts in the understanding of the physics of deformation in solids. The main learning objectives are: (1) To understand the essential concept of Elasticity and be able to distinguish simple solids objects based on degree and extent of their elastic properties; (2) To appreciate the utility of the elastic force vs. deformation curve through experiments; (3) To be aware of potential sources of error present in such experiments and identify corrective measures; and (4) To appreciate the relevance of Elasticity in practical applications.
Type: Lesson Plan
This BLOSSOMS lesson discusses Carbon Dioxide, and its impact on climate change. The main learning objective is for students to become more familiar with human production of Carbon Dioxide gas, as well as to gain an awareness of the potential for this gas to effect the temperature of Earth’s atmosphere. This lesson should take about an hour to complete. In order to complete the lesson, the teacher will need: printed copies of signs representing the different products and processes that take place in the carbon cycle (included), samples of matter that represent those products, handouts for the students to create a graphic of the carbon cycle (included) and graph paper or graphing software for students to create graphs. In the breaks of this BLOSSOMS lesson, students will be creating models of the carbon cycle as well as observing experiments and analyzing data from them. It is hoped that this lesson will familiarize students with ways in which carbon moves through our environment and provide them with some personal connection to the impact that an increased concentration of CO2 can have on air temperature. The goal is to spark their interest and hopefully to encourage them to ask and investigate more questions about the climate.
Type: Lesson Plan
Learning objectives: Students will learn what DNA fingerprinting is, what it is used for, and how it is used in paternity testing and forensics. Students will see how this technique actually works in lab. Students will learn how to analyze the gels used in this technique to match babies to parents, and crime scene evidence to suspects.
Type: Lesson Plan
This lesson focuses on two elements: understanding Newton’s laws of motion, and how to use Newton’s laws to create force diagrams. This lesson also demonstrates how to incorporate requirements of the Next Generation Science Standards (NGSS) into a physics lesson. It uses a discrepant event (phenomenon) to model forces at work on an object resulting in motion.
Type: Lesson Plan
The goal of this lesson is to explain how sailboats work by exploring basic physics principles. At the end of this lesson, students will be able to identify the forces acting on a sailboat and explain how the combination of these forces results in the forward motion of a sailboat. Students should be familiar with vectors and be able to use them to represent forces and moments, and also should be familiar with using free body diagrams to represent forces and moments. The classroom activity challenges are centered around small-group discussions based on the questions posed before each break. Free body diagrams, or another conceptual representation of his or her answer, should support each student’s solution to the questions posed in the video.
Type: Lesson Plan
Perspectives Video: Experts
<p>Jump to it and learn more about how quadratic equations are used in robot navigation problem solving!</p>
Type: Perspectives Video: Expert
The tide is high! How can we statistically prove there is a relationship between the tides on the Gulf Coast and in a fresh water spring 20 miles from each other?
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Chemistry is pretty sweet. Also tasty if you understand oxidation and reduction reactions, but it may take a little MacGyvering.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
A cell has made a protein; now what? Learn more about protein secretion!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Advances in "big data" are leading to rapid developments in personalized medicine. Learn more!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Dr. Oates uses engineering practices to design artificial muscles that react to electrostatic fields.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Don't get twisted in a knot about proteins; learn about their structure!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
What's in a molecular biologist's toolbox? Very small tools for working with cellular machines and molecules!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Plants need visible light, just not all of it. Learn how space plants and their lights strive for efficiency.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Humans aren't the only ones who get their fingerprints taken. Learn how this scientist is like a crime scene investigator using oil "fingerprints" to explain the orgins of spilled oil.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
A viticulture scientist explains grape expectations for medicine and society.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Expert
Perspectives Video: Professional/Enthusiasts
An engineer that has previously worked on the F-22 Raptor explains how resistivity in wires plays a role in the development of a large machine.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Why can't you put Ethanol fuel in a boat motor?
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
We'll be looking at the role of pitch, number of blades and material for outboard motor props as it relates to the propulsion of a boat
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
<p>Get fired up as you learn more about ceramic glaze recipes and mathematical units.</p>
Type: Perspectives Video: Professional/Enthusiast
<p>Math is important to help you get where you want to go in life, especially if you plan to fly there!</p>
Type: Perspectives Video: Professional/Enthusiast
If you want to understand the atom, you'll need a lot of energy. Learn how physicists use high energy light and electrons to study atomic structure.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Physics is cool, especially if you want to make super-cold, super-efficient, superconductive materials.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Get sooted up and join a collier as he discusses charcoal production at historic Mission San Luis.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
One way to figure out what something is made of is to see what kinds of wavelengths of electromagnetic energy it can absorb.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
An archaeologist explains how he is using x-rays to reconstruct a nineteenth-century battle!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Dive deep into science as an oceanographer describes conduction, convection, and radiation and their relationship to oceanic systems.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
<p>Forge a new understanding of metallurgy and heat transfer by learning how this blacksmith and collier make nails.</p>
Type: Perspectives Video: Professional/Enthusiast
Archaeologists can see underground trends before everyone else with ground penetrating radar (GPR).
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
When you watch this video, your knowledge related to flight and physics will really take off!
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Learn more about how splitting light beams helps researchers detect hydrogen fires for the space program.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
<p>Hydrogen is used to launch spacecraft, but accidental fires are difficult to see. Learn about the physics of these fires and how we detect them.</p>
Type: Perspectives Video: Professional/Enthusiast
Landfills have a come a long way! Explore modern techniques for managing our environmental impact through responsible waste disposal.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Factors to consider when making pottery on the wheel are discussed, but not in a way that would make your head spin.
Download the CPALMS Perspectives video student note taking guide.
Type: Perspectives Video: Professional/Enthusiast
Presentation/Slideshows
It is often difficult, sometimes impossible, to get a definitive answer to some of life's most enduring questions. Scientific processes provide alternative explanations for a wide variety of phenomena by piecing together all the available information. This interactive activity on the Evolution website explores four possible hypotheses to explain what caused the extinction of the dinosaurs 65 million years ago, inviting the viewer to consider the evidence and come to their own decision.
Type: Presentation/Slideshow
A PowerPoint with speaker notes covering infectious diseases, causes, transmission, and control.
Type: Presentation/Slideshow
Problem-Solving Tasks
This problem-solving task challenges students to find all quadratic functions described by given equation and coordinates, and describe how the graphs of those functions are related to one another.
Type: Problem-Solving Task
The principal purpose of the task is to explore a real-world application problem with algebra, working with units and maintaining reasonable levels of accuracy throughout. Students are asked to determine which product will be the most economical to meet the requirements given in the problem.
Type: Problem-Solving Task
The purpose of this task is to illustrate through an absurd example the fact that in real life quantities are reported to a certain level of accuracy, and it does not make sense to treat them as having greater accuracy.
Type: Problem-Solving Task
This task operates at two levels. In part it is a simple exploration of the relationship between speed, distance, and time. Part (c) requires understanding of the idea of average speed, and gives an opportunity to address the common confusion between average speed and the average of the speeds for the two segments of the trip.
At a higher level, the task addresses MAFS.912.N-Q.1.3, since realistically neither the car nor the bus is going to travel at exactly the same speed from beginning to end of each segment; there is time traveling through traffic in cities, and even on the autobahn the speed is not constant. Thus students must make judgments about the level of accuracy with which to report the result.
Type: Problem-Solving Task
This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating.
Type: Problem-Solving Task
This task examines, from a mathematical and statistical point of view, how scientists measure the age of organic materials by measuring the ratio of Carbon 14 to Carbon 12. The focus here is on the statistical nature of such dating.
Type: Problem-Solving Task
The problem requires students to not only convert miles to kilometers and gallons to liters but they also have to deal with the added complication of finding the reciprocal at some point.
Type: Problem-Solving Task
This task asks students to calculate the cost of materials to make a penny, utilizing rates of grams of copper.
Type: Problem-Solving Task
Students are asked to use units to determine if the given statement is valid.
Type: Problem-Solving Task
This is a challenging task, suitable for extended work, and reaching into a deep understanding of units. Students are given a scenario and asked to determine the number of people required to complete the amount of work in the time described. The task requires students to exhibit , Make sense of problems and persevere in solving them. An algebraic solution is possible but complicated; a numerical solution is both simpler and more sophisticated, requiring skilled use of units and quantitative reasoning. Thus the task aligns with either MAFS.912.A-CED.1.1 or MAFS.912.N-Q.1.1, depending on the approach.
Type: Problem-Solving Task
Students compare graphs of different quadratic functions, then produce equations of their own to satisfy given conditions.
This exploration can be done in class near the beginning of a unit on graphing parabolas. Students need to be familiar with intercepts, and need to know what the vertex is. It is effective after students have graphed parabolas in vertex form (y=a(x–h)2+k), but have not yet explored graphing other forms.
Type: Problem-Solving Task
This resource poses the question, "how many vehicles might be involved in a traffic jam 12 miles long?"
This task, while involving relatively simple arithmetic, promps students to practice modeling (MP4), work with units and conversion (N-Q.1), and develop a new unit (N-Q.2). Students will also consider the appropriate level of accuracy to use in their conclusions (N-Q.3).
Type: Problem-Solving Task
The task is a modeling problem which ties in to financial decisions faced routinely by businesses, namely the balance between maintaining inventory and raising short-term capital for investment or re-investment in developing the business.
Type: Problem-Solving Task
This task provides students the opportunity to make use of units to find the gas needed (). It also requires them to make some sensible approximations (e.g., 2.92 gallons is not a good answer to part (a)) and to recognize that Felicia's situation requires her to round up. Various answers to (a) are possible, depending on how much students think is a safe amount for Felicia to have left in the tank when she arrives at the gas station. The key point is for them to explain their choices. This task provides an opportunity for students to practice MAFS.K12.MP.2.1: Reason abstractly and quantitatively, and MAFS.K12.MP.3.1: Construct viable arguments and critique the reasoning of others.
Type: Problem-Solving Task
This task requires students to recognize the graphs of different (positive) powers of x.
Type: Problem-Solving Task
This problem involves the meaning of numbers found on labels. When the level of accuracy is not given we need to make assumptions based on how the information is reported. An unexpected surprise awaits in this case, however, as no reasonable interpretation of the level of accuracy makes sense of the information reported on the bottles in parts (b) and (c). Either a miscalculation has been made or the numbers have been rounded in a very odd way.
Type: Problem-Solving Task
Text Resource
NASA's "Beginner's Guide to Aerodynamics" provides some general information on the basics of aerodynamics. The site allows users to explore at their own pace and level of interest. The topics available include equations of motion, free falling, air resistance, force, gas properties, and atmosphere. Movies, reading materials, and activities are all available to accommodate a variety of different learning styles.
Type: Text Resource
Tutorials
Type: Tutorial
Learn about the complications that may occur after a heart attack (myocardial infarction).
Type: Tutorial
In this Khan academy video tutorial, learn about the possible treatments and interventions of different types of strokes.
Type: Tutorial
You will learn how the parent function for a quadratic function is affected when f(x) = x2.
Type: Tutorial
Learn about the process your body goes through in healing after a heart attack (myocardial infarction).
Type: Tutorial
This tutorial will help the students to identify the vertex of a parabola from the equation, and then graph the parabola.
Type: Tutorial
This tutorial helps the learners to graph the equation of a quadratic function using the coordinates of the vertex of a parabola and its x- intercepts.
Type: Tutorial
This tutorial will help you to learn about exponential functions by graphing various equations representing exponential growth and decay.
Type: Tutorial
This Khan Academy video explains oxidation and reduction reactions from a biological point of view.
Type: Tutorial
This Khan Academy video discusses which ions are allowed to be actively transported out of the filtrate of urine. The process of secondary active transport in the nephron is described in detail.
Type: Tutorial
This Khan Academy video reviews the basic processes of DNA replication and protein synthesis. It then goes on to explain how the terms chromosome, chromatin, and chromatid, relate to each other.
Type: Tutorial
This Khan Academy video describes what happens to a zygote as it becomes an embyro. It further explains what a stem cell is and discusses why there are questions concerning the use of stem cells.
Type: Tutorial
This Khan Academy video briefly describes DNA replication and then goes into a thorough explanation of both transcription and translation.
Type: Tutorial
This Khan Academy video describes the structure of the molecule DNA in great detail. It also discuses the role DNA plays in the process of protein synthesis, explaining transcription and translation. The video discusses the relationship between DNA and chromosomes as well.
Type: Tutorial
This Khan Academy video describes the structure of muscle cells. The tutorial details the muscle cell from the macro skeletal muscle to the individual cell of the muscle, called the myofiber. The functions of actin and myosin and how they cause muscles to contract are also explained.
Type: Tutorial
This Khan Academy video discusses form and function in the respiratory system. All of the respiratory organs are discussed.
Type: Tutorial
DNA sequencing is a technique for determining the complete sequence of bases (As, Ts, Gs, and Cs) for a particular piece of DNA. Sequencing is relatively time consuming, as the process must be done to fairly short lengths of DNA at a time. This tutorial will help you to understand the process of DNA sequencing.
Type: Tutorial
This Khan Academy video explains the major vessels involved in the flow of blood and follows the steps that blood takes as it travels through the heart.
Type: Tutorial
This tutorial will help you to understand how bone growth is different from the growth of many other organs. Although bone may appear to be rigid and lifeless it is actually living tissue that is capable of growth. Unlike soft tissues, bone cannot simply grow by adding additional cells and removing cells that are no longer necessary. The calcium laid down in bone gives the skeleton the strength and rigidity needed to protect and support the body. This rigidity means that expansion requires addition of cells on the outside and, when necessary, the removal of calcium and other materials on the inside.
Type: Tutorial
This tutorial will help you to understand how digestive tissue can produce a concentrated acid without damage to cells and molecules that are exposed to the acid. Hydrochloric acid production is described in this animation.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
This Khan Academy video explains how the molecule ATP stores the energy needed for biological systems within organisms.
Type: Tutorial
This tutorial will help you to understand why the secretion of gastric fluids is controlled both locally and through the central nervous system. This animation describes how gastric secretion is regulated by both the brain and digestive hormones.
Type: Tutorial
This video discusses how to figure out the horizontal displacement for a projectile launched at an angle.
Type: Tutorial
This tutorial helps you to understand the factors involved in air flow into and out of the lungs.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
This tutorial explains the exchange of oxygen and carbon dioxide within the respiratory system.
Type: Tutorial
This tutorial will help you to understand how the exchange of gases between the alveoli and the blood occurs by simple diffusion due to the changes in the partial pressure of oxygen and carbon dioxide.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
This tutorial will help you to understand how the nutritional value of food can be measured on many different scales. The most basic measurement scale is the free energy content in the food, i.e., how much energy is released when chemical bonds within the food are broken.
Type: Tutorial
This tutorial is helpful in understanding how the exchange of oxygen and carbon dioxide takes place during the process of respiration.
Type: Tutorial
This tutorial will help you to understand the role that vitamins play in human nutrition. Vitamins interact with enzymes to allow them to function more effectively. Though vitamins are not consumed in metabolism, they are vital for the process of metabolism to occur.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
Tissues associated with the stomach produce not only digestive enzymes but also hydrochloric acid. The hydrochloric acid helps to chemically break down the food in the stomach. This tutorial will help you to understand how digestive tissue can produce a concentrated acid without damage to cells and molecules exposed to the acid.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
This tutorial will help you to understand the procedure of amplifying a single copy of DNA into millions of copies. Polymerase chain reaction is a molecular prototyping technique which helps in copying small segments of DNA into significant amounts required for molecular and genetic analyses.
Type: Tutorial
This tutorial will help you to understand how the movement of oxygen and carbon dioxide takes place between the alveoli and the blood by taking partial pressure into consideration. Oxygen diffuses from the air through the alveoli into the blood and carbon dioxide diffuses from the blood into the alveoli. This occurs due to differences in partial pressures.
This challenging tutorial addresses the concept at a high level of complexity.
Type: Tutorial
This tutorial will help you to understand how all of the components of the heart are able to work together without direct control from the central nervous system. This video shows that for proper function of the heartbeat, it is necessary that all of the muscle fibers in a region contract in unison.
Type: Tutorial
This tutorial will help students understand the process of muscle contraction. A muscle contains many muscle fibers and each fiber contains a bundle of 4-20 myofibrils. Each fibril is striated and these striations are produced by the arrangement of thick and thin filaments, called actin and myosin. The contraction and relaxation of these actin and myosin filaments help muscles move.
Type: Tutorial
This tutorial will help students understand how food is digested with the help of different gastric secretions. Gastric juice from glands renders food particles soluble, initiates digestion, and converts the gastric contents to a semiliquid mass called chyme, thus preparing it for futher disgestion in the small intestine.
Type: Tutorial
Blood pressure is determined by the force of the blood acting on the walls of the blood vessels. Two factors determine the size of this force. One is the volume of blood being pumped through the vessel. The other is the size of the vessels. Changes in blood pressure can be caused by either a change in the amount of blood being pumped or by a change in the size of the blood vessels. Feedback mechanisms, described in this animation, will alter heart rate and blood vessel dilation to maintain blood pressure at appropriate levels.
Type: Tutorial
This tutorial will help students to understand how concentrations of gases in the blood change during breathing. This animation shows high carbon dioxide concentrations and low oxygen concentrations indicating that gas exchage is occurring at a slower than ideal rate. Because of this, heart rate increases or decreases to compensate the exchange of gas.
Type: Tutorial
This tutorial explores the steps that food takes on its journey through the digestive system. All major digestive organs and the process of nutrient absorption are explained.
Type: Tutorial
This tutorial will help students understand how the difference in the alveloar pressure and the barometric air pressure allows the inspiration and expiration of air in the lungs.
Type: Tutorial
This video tutorial from the Khan Academy explains how to calculate the acceleration of ice down a plane made of ice.
Type: Tutorial
This video tutorial shows how to figure out the components of force due to gravity that are parallel and perpendicular to the surface of an inclined plane.
Type: Tutorial
This tutorial will help the student understand about viruses which are small infectious agents that replicate only inside the living cells of other organisms.
Type: Tutorial
This tutorial is about projectile motion. This powerpoint lecture discusses the independence of the vertical and horizontal motion of projectiles. Students will be asked to solve problems involving projectile motion of both projectiles fired horizontally and at an angle. This tutorial is geared for advanced students.
Type: Tutorial
This tutorial will help the learner visualize how a cell or single celled organism can differ in its view when looked at under different magnifications and different types of microscopes. This tutorial can be used by the teacher as an added resource for their lesson about different microscopes and how they work..
Type: Tutorial
This tutorial introduces the polymerase chain reaction (PCR), which is a technique used in molecular biology to make multiple copies of a gene even when only small amounts of DNA are available.
Type: Tutorial
Water is both essential and unique. Many of its particular qualities stem from the fact that it consists of two hydrogen atoms and one oxygen, therefore creating an unequal sharing of electrons. From fish in frozen lakes to ice floating on water, Christina Kleinberg describes the effects of polarity.
Type: Tutorial
Your body is made of cells -- but how does a single cell know to become part of your nose, instead of your toes? The answer is in your body's instruction book: DNA. Joe Hanson compares DNA to a detailed manual for building a person out of cells -- with 46 chapters (chromosomes) and hundreds of thousands of pages covering every part of you.
Type: Tutorial
Every day, we are bombarded by attention grabbing headlines that promise miracle cures to all of our ailments -- often backed up by a "scientific study." But what are these studies, and how do we know if they are reliable? David H. Schwartz dissects two types of studies that scientists use, illuminating why you should always approach the claims with a critical eye.
Type: Tutorial
When you picture the lowest levels of the food chain, you might imagine herbivores happily munching on lush, living green plants. But this idyllic image leaves out a huge (and slightly less appetizing) source of nourishment: dead stuff. John C. Moore details the "brown food chain," explaining how such unlikely delicacies as pond scum and animal feces contribute enormous amounts of energy to our ecosystems.
Type: Tutorial
This short video describes the process of antibiotic resistance. Right now, you are inhabited by trillions of micro organisms. Many of these bacteria are harmless (or even helpful!), but there are a few strains of ‘super bacteria' that are pretty nasty -- and they're growing resistant to our antibiotics. Why is this happening? Kevin Wu details the evolution of this problem that presents a big challenge for the future of medicine.
Type: Tutorial
Chemical reactions are constantly happening in your body -- even at this very moment. But what catalyzes these important reactions? This short video explains how enzymes assist the process, while providing a light-hearted way to remember how activation energy works.
Type: Tutorial
This short video opens up the oceans' microscopic ecosystem, revealing its beauty and complexity. Footage from the Plankton Chronicles Project is used to create a video designed to ignite wonder and curiosity about this hidden world that underpins our own food chain.
Type: Tutorial
This TED ED original lesson takes a closer look at how the heart pumps blood. For most of history, scientists weren't quite sure why our hearts were beating or even what purpose they served. Eventually, we realized that these thumping organs serve the vital task of pumping clean blood throughout the body. But how? Edmond Hui investigates how it all works by taking a closer look at the heart's highly efficient ventricle system.
Type: Tutorial
When a malaria-carrying mosquito bites a human host, the malaria parasite enters the bloodstream, multiplies in the liver cells, and is then released back into the bloodstream, where it infects and destroys red blood cells. This animation will help you to understand the process of malarial infection.
Type: Tutorial
This tutorial provides the learners with detailed information about forces. Topics covered include Newton's Laws, friction, gravity, balanced and unbalanced forces, vectors, weight, motion and momentum.
Type: Tutorial
This tutorial will help the learners to understand structure of DNA and how this structure allows for accurate replication.
Type: Tutorial
This tutorial will help the learners understand glycolysis, which is the process of enzymes breaking down glucose to release energy.
Type: Tutorial
This tutorial will help learners understand the process of DNA replication, including the enzymes involved. Learners will be able to recognize that an exact copy of DNA must be created prior to cell division.
Type: Tutorial
This tutorial will help the learners to review the formation and 3D structures of amino acids with proteins.
Type: Tutorial
This resource explores the electromagnetic spectrum and waves by allowing the learner to observe the refraction of light as it passes from one medium to another, study the relation between refraction of light and the refractive index of the medium, select from a list of materials with different refractive indicecs, and change the light beam from white to monochromatic and observe the difference.
Type: Tutorial
- Observe how the eye's muscles change the shape of the lens in accordance with the distance to the object being viewed
- Indicate the parts of the eye that are responsible for vision
- View how images are formed in the eye
Type: Tutorial
- Learn how a concave spherical mirror generates an image
- Observe how the size and position of the image changes with the object distance from the mirror
- Learn the difference between a real image and a virtual image
- Learn some applications of concave mirrors
Type: Tutorial
- Learn how a convex mirror forms the image of an object
- Understand why convex mirrors form small virtual images
- Observe the change in size and position of the image with the change in object's distance from the mirror
- Learn some practical applications of convex mirrors
Type: Tutorial
- Observe the change of color of a black body radiator upon changes in temperature
- Understand that at 0 Kelvin or Absolute Zero there is no molecular motion
Type: Tutorial
This resource explains how a solar cell converts light energy into electrical energy. The user will also learn about the different components of the solar cell and observe the relationship between photon intensity and the amount of electrical energy produced.
Type: Tutorial
- Observe that light is composed of oscillating electric and magnetic waves
- Explore the propagation of an electromagnetic wave through its electric and magnetic field vectors
- Observe the difference in propagation of light of different wavelengths
Type: Tutorial
- Explore the relationship between wavelength, frequency, amplitude and energy of an electromagnetic wave
- Compare the characteristics of waves of different wavelengths
Type: Tutorial
- Learn to trace the path of propagating light waves using geometrical optics
- Observe the effect of changing parameters such as focal length, object dimensions and position on image properties
- Learn the equations used in determining the size and locations of images formed by thin lenses
Type: Tutorial
This video explains oxidation and reduction in cellular respiration.
Type: Tutorial
Video/Audio/Animations
With an often unexpected outcome from a simple experiment, students can discover the factors that cause and influence thermohaline circulation in our oceans. In two 45-minute class periods, students complete activities where they observe the melting of ice cubes in saltwater and freshwater, using basic materials: clear plastic cups, ice cubes, water, salt, food coloring, and thermometers. There are no prerequisites for this lesson but it is helpful if students are familiar with the concepts of density and buoyancy as well as the salinity of seawater. It is also helpful if students understand that dissolving salt in water will lower the freezing point of water. There are additional follow up investigations that help students appreciate and understand the importance of the ocean's influence on Earth's climate.
Type: Video/Audio/Animation
This video shows mating displays and courtship behavior of Birds of Paradise. These birds display bright colors and visually stunning behaviors during courtship.
Type: Video/Audio/Animation
This video presentation is illustrating the amount of work the kidney performs each day to maintain proper levels of ions in the body. It will help in increasing your understanding about the functions of kidney.
Type: Video/Audio/Animation
This video presentation will help to understand the regeneration process in a zebrafish. When the zebrafish heart is damaged, the wound site is rapidly sealed with a fibrin clot that stems bleeding within seconds. Following clot formation, the tissue that surrounds the heart muscle, the epicardium, gradually covers the fibrin clot via migration and cell division. Over the next few months, new cardiac muscle is produced and replaces the clot.
Type: Video/Audio/Animation
Ocean explorer Robert Ballard gives a TED Talk relating to the mysteries of the ocean, and the importance of its continued exploration.
Type: Video/Audio/Animation
- An interactive exercise for using agarose gel electrophoresis for separating DNA molecules
- Explain how restriction endonucleases is used in restriction analysis of DNA
Type: Video/Audio/Animation
- Background on the discovery of the DNA double helix
- Contains an interactive activity for base pairing
- Contains an interactive activity for DNA extraction
Type: Video/Audio/Animation
- Background on tracking human ancestry using the alu marker
- Animation on polymerase chain reaction, PCR
- Interactive activity for performing PCR
Type: Video/Audio/Animation
Learn how to build a circuit
Show the difference between AC and DC
Describe the effect of an inductor on a circuit
Describe the effect of a capacitor on a circuit
Learn how to use an ammeter and a voltmeter in a circuit
Type: Video/Audio/Animation
This video contains a demo that can be performed to show that light consists of particles
It also uses Lasers with different wavelengths
Type: Video/Audio/Animation
- Identify the driving force in a circuit using a battery model
- Explain the difference between conductive (metals and photoconductors) and non-conductive (plastics) materials
Type: Video/Audio/Animation
- Differentiate between electron pair and molecular geometry
- Learn how to name electron pair and molecular geometries for molecules with up to six electron groups around the central atom
- Illustrate how electron pair repulsion affects bond angles
Type: Video/Audio/Animation
Paul Anderson explains the structure and importance of proteins. He describes how proteins are created from amino acids connected by dehydration synthesis. He shows the importance of chemical properties in the R-groups of individual amino acids in the polypeptide.
Type: Video/Audio/Animation
Khan Academy video tutorial on graphing linear equations: "Algebra: Graphing Lines 1"
Type: Video/Audio/Animation
A 4-minute video in which an Olympic freestyle skier and a physicist discuss the physics behind freestyle skiing.
Type: Video/Audio/Animation
In this National Science Foundation video and reading selection lab ecologist Janis Dickinson explains how she depends on citizen scientists to help her track the effects of disease, land-use change and environmental contaminants on the nesting success of birds.
Type: Video/Audio/Animation
This site has fantastic short Flash animations of intricate cell processes, including photosynthesis and the electron transport chain.
Type: Video/Audio/Animation
Virtual Manipulatives
This website has a short biography about Sir Isaac Newton. It also reviews his three laws of motion with examples, and ends with a short quiz.
Type: Virtual Manipulative
In this simulation, learn about the black body spectrum of the sun, a light bulb, an oven and the earth. Adjust the temperature to see how the wavelength and intensity of the spectrum are affected.
Type: Virtual Manipulative
Learn more about collisions with the use of a virtual air hockey table. Investigate simple and complex collisions in one and two dimensions.Experiment with the number of discs, masses and initial conditions. Vary the elasticity and see how the total momentum and kinetic energy changes during collisions.
Some of the sample learning goals can be:
- Draw "Before and After" pictures of collisions.
- Construct momentum vector representations of "Before and After" collisions.
- Apply law of conservation of momentum to solve problems with collisions.
- Explain why energy is not conserved and varies in some collisions.
- Determine the change in mechanical energy in collisions of varying "elasticity".
- What does "elasticity" mean?
Type: Virtual Manipulative
Precipitation reactions occur when cations and anions of aqueous solutions combine to form an insoluble ionic solid, called a precipitate. This simulation explores systems for which precipitation reactions are possible.A precipitation reaction is controlled by the magnitude of the solubility product, solubility product constant and the concentrations of the ions in solution.
Type: Virtual Manipulative
In this activity, students adjust slider bars which adjust the coefficients and constants of a linear function and examine how their changes affect the graph. The equation of the line can be in slope-intercept form or standard form. This activity allows students to explore linear equations, slopes, and y-intercepts and their visual representation on a graph. This activity includes supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.
Type: Virtual Manipulative
This resource provides linear functions in standard form and asks the user to graph it using intercepts on an interactive graph below the problem. Immediate feedback is provided, and for incorrect responses, each step of the solution is thoroughly modeled.
Type: Virtual Manipulative
The split brain experiments revealed that the right and the left hemisphere in the brain are good at different things. For instance, the right hemisphere is good at space perception tasks and music while the left is good at verbal and analytic tasks. This game guides students through some examples of the split-brain phenomenon and how the differences are understood.
Type: Virtual Manipulative
This educational game is about blood types, blood typing, and blood transfusions. Your challenge is to save patients in urgent need of blood transfusions. Your job is to decide what blood type these patients belong to in order to administer safe blood transfusions. At the end you will be evaluated: if you make no mistakes at all you will get all five blood drops.
Type: Virtual Manipulative
This virtual manipulative will help the students learn about enzyme-substrate docking. Students will observe that the shapes of these surfaces and electrostatic forces are the major factors that govern docking.
Type: Virtual Manipulative
This virtual manipulative will help the students to understand how the light shines on a metal surface. Students will recognize a process called as photoelectric effect wherein light can be used to push electrons from the surface of a solid.
Some of the sample learning goals can be:
- Visualize and describe the photoelectric effect experiment.
- Predict the results of the experiment, when the intensity of light is changed and its effects on the current and energy of the electrons.
- Predict the results of the experiment, when the wavelength of the light is changed and its effects on the current and the energy of the electrons.
- Predict the results of the experiment, when the voltage of the light is changed and its effects on the current and energy of electrons.
Type: Virtual Manipulative
Learn how to build a circuit
Learn how to measure voltage in a circuit using a voltmeter
Determine the resistance of certain objects that can be used as part of an electric circuit
Explain the difference between parallel and series circuits
Type: Virtual Manipulative
This virtual manipulative will allow the students to understand that the electric field is the region where the force on one charge is caused by the presence of another charge. The students will recognize the equipotential lines that exist between the charged regions.
Some of the sample learning goals can be:
- Determine the variables that affect how charged bodies interact.
- Predict how charged bodies will interact.
- Describe the strength and direction of the electric field around a charged body.
Type: Virtual Manipulative
This virtual manipulative will allow the user to see how the equation form of ohm's law relates to a simple circuit. Learners can adjust the voltage and resistance, and see the current change according to Ohm's law. The size of the symbols in the equation change to match the circuit diagram.
Type: Virtual Manipulative
This virtual manipulative will allow you to explore what makes a reaction happen by colliding atoms and molecules. Design your own experiments with different reactions, concentrations, and temperatures. Recognize what affects the rate of a reaction.
Areas to Explore:
- Explain why and how a pinball shooter can be used to help understand ideas about reactions.
- Describe on a microscopic level what contributes to a successful reaction.
- Describe how the reaction coordinate can be used to predict whether a reaction will proceed or slow.
- Use the potential energy diagram to determine : The activation energy for the forward and reverse reactions; The difference in energy between reactants and products; The relative potential energies of the molecules at different positions on a reaction coordinate.
- Draw a potential energy diagram from the energies of reactants and products and activation energy.
- Predict how raising or lowering the temperature will affect a system in the equilibrium.
Type: Virtual Manipulative
This virtual manipulative will the students learn about position, velocity and acceleration. Acceleration is the derivative of velocity with respect to time and the velocity is the derivative of position with respect to time. With the elimination of time, the relationship between the acceleration, velocity and position can be represented as x = v2 / 2a. In the stimulation, students will be able to move the man back and forth with the mouse and plot his motion.
Some of the sample learning goals can be:
- Interpret, predict and draw charts (position, velocity, and acceleration) for common situations.
- Provide reasoning used to make sense of the charts.
Type: Virtual Manipulative
Allows students access to a Cartesian Coordinate System where linear equations can be graphed and details of the line and the slope can be observed.
Type: Virtual Manipulative
Explore how a capacitor works in this simulation. Change the plates and add a dielectric to see how it affects capacitance. Change the voltage and see charges built up on the plates. You can observe the electric field in the capacitor, measure voltage and the electric field.
Other investigations can include:
- Determine the relationship between charge and voltage for a capacitor.
- Determine the energy stored in a capacitor or a set of capacitors in a circuit.
- Explore the effect of space and dielectric materials inserted between the conductors of the capacitor in a circuit.
- Determine the equivalent capacitance of a set of capacitors in series and in parallel in a circuit.
Type: Virtual Manipulative
This manipulative will help the students to learn about the physics of resistance in a wire. The electrical resistance of a wire would be expected to be greater for a longer wire, less for a wire of larger cross sectional area, and would be expected to depend upon the material out of which the wire is made, to understand this, students can change the resistivity, length, and area to see how they affect the wire's resistance. The sizes of the symbols in the equation change along with the diagram of a wire.
Some of the sample learning goals can be:
- What characteristics of a resistor are variable in this model?
- How does each affect the resistance (will increasing or decreasing each make the resistance correspondingly increase or decrease?)
- Explain your ideas about why they change the resistance.
Type: Virtual Manipulative
This activity will allow you to practice balancing a chemical equation. You will have to make sure you are following the law of conservation of mass and recognize what can change to balance an equation.
You can:
- Balance a chemical equation.
- Recognize that the number of atoms of each element is conserved in a chemical reaction.
- Describe the difference between coefficients and subscripts in a chemical equation.
- Translate from symbolic to molecular representation.
Type: Virtual Manipulative
This activity will help to investigate how a greenhouse gas affects the climate, or why the ozone layer is important. Using this simulation, explore how light interacts with molecules in our atmosphere.
Areas to explore:
- How light interacts with molecules in our atmosphere.
- Identify that absorption of light depends on the molecule and the type of light.
- Relate the energy of the light to the resulting motion.
- Identify that energy increases from microwave to ultraviolet.
- Predict the motion of a molecule based on the type of light it absorbs.
- Identify how the structure of a molecule affects how it interacts with light.
Type: Virtual Manipulative
This activity will allow you to make colorful concentrated and dilute solutions and explore how much light they absorb and transmit using a virtual spectrophotometer.
You can explore concepts in many ways including:
- Describe the relationships between volume and amount of solute to solution concentration.
- Explain qualitatively the relationship between solution color and concentration.
- Predict and explain how solution concentration will change for adding or removing: water, solute, and/or solution.
- Calculate the concentration of solutions in units of molarity (mol/L).
- Design a procedure for creating a solution of a given concentration.
- Identify when a solution is saturated and predict how concentration will change for adding or removing: water, solute, and/or solution.
- Describe the relationship between the solution concentration and the intensity of light that is absorbed/transmitted.
- Describe the relationship between absorbance, molar absorptivity, path length, and concentration in Beer's Law.
- Predict how the intensity of light absorbed/transmitted will change with changes in solution type, solution concentration, container width, or light source and explain why?
Type: Virtual Manipulative
Understanding molecular polarity by changing the electron-negativity of atoms in a molecule to see how it affects polarity. See how the molecule behaves in an electric field. Change the bond angle to see how shape affects polarity. See how it works for real molecules in 3D.
Some learning goals:
•predict bond polarity using electron-negativity values
•indicate polarity with a polar arrow or partial charges
•rank bonds in order of polarity
•predict molecular polarity using bond polarity and molecular shape
Type: Virtual Manipulative
An electronic kit in your computer! Build circuits with resistors, light bulbs, batteries, and switches. Take measurements with the realistic ammeter and voltmeter. View the circuit as a schematic diagram, or switch to a life-like view.
Other options for exploration:
- Discuss basic electricity relationships
- Build circuits from schematic drawings.
- Use an ammeter and voltmeter to take readings in circuits.
- Provide reasoning to explain the measurements and relationship in circuits.
- Discuss basic electricity relationships in series and parallel circuits.
- Provide reasoning to explain the measurements in circuits.
- Determine the resistance of common objects in the "Grab Bag".
Type: Virtual Manipulative
This simulation allows you to explore forces and motion as you push household objects up and down a ramp. Observe how the angle of inclination affects the parallel forces. Graphical representation of forces, energy and work makes it easier to understand the concept.
Some of the learning goals can be:
- Predict, qualitatively, how an external force will affect the speed and direction of an object's motion.
- Explain the effects with the help of a free body diagram
- Use free body diagrams to draw position, velocity, acceleration and force graphs and vice versa.
- Explain how the graphs relate to one another.
- Given a scenario or a graph, sketch all four graphs.
Type: Virtual Manipulative
Using this virtual manipulative, students are able to graph a function and a set of ordered pairs on the same coordinate plane. The constants, coefficients, and exponents can be adjusted using slider bars, so the student can explore the affect on the graph as the function parameters are changed. Students can also examine the deviation of the data from the function. This activity includes supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.
Type: Virtual Manipulative
In this online tool, students input a function to create a graph where the constants, coefficients, and exponents can be adjusted by slider bars. This tool allows students to explore graphs of functions and how adjusting the numbers in the function affect the graph. Using tabs at the top of the page you can also access supplemental materials, including background information about the topics covered, a description of how to use the application, and exploration questions for use with the java applet.
Type: Virtual Manipulative
The students will drag a red point across the screen in any direction they please and, in the process, will be able to see the forces that are being put on that point at any given moment.
Type: Virtual Manipulative
The students will try to move a red ball into a blue goal without touching the walls. They will have fun competing amongst themselves to get the best time but at the same time they will also be learning about vectors, velocity, and acceleration.
Type: Virtual Manipulative
This simulation demonstrates the physics of projectile motion. The user can fire different objects through a cannon, set its speed, angle and mass and observe the resultant motion.
Type: Virtual Manipulative
With a mouse, students will drag data points (with their error bars) and watch the best-fit polynomial curve form instantly. Students can choose the type of fit: linear, quadratic, cubic, or quartic. Best fit or adjustable fit can be displayed.
Type: Virtual Manipulative
This interactive simulation investigates graphing linear and quadratic equations. Users are given the ability to define and change the coefficients and constants in order to observe resulting changes in the graph(s).
Type: Virtual Manipulative
The students will rub a balloon on a sweater and see how charges are exchanged between the two objects. With these changes they will see their interactions.
Type: Virtual Manipulative
The students will have the opportunity to build their own circuit loop with the materials presented to them.
Type: Virtual Manipulative
In this interactive Biotechniques virtual lab, you will isolate DNA from a human test subject and learn the uses for DNA obtained through extraction. The "Try It Yourself" section below the virtual lab gives instruction and background information about how to extract DNA from living tissue using basic materials available in grocery stores.
Type: Virtual Manipulative
This site provides an introduction to microscopy and microscopes including history, images, and interactives.
Type: Virtual Manipulative
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