Life of the Party

This activity teaches students how to determine the age of an atom using an onion, cabbage, and Brussels sprouts. Aliens from another planet left these items on our planet and need our assistance determining their age. Based on the number of layers or half lives of the "elements," the students will be able to determine their age. The students will also be able to differentiate between the three types of radioactive decay and understand why radioactive elements are harmful.
Resource ID#: 51290 Type: Lesson Plan
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General Information

Subject(s): Science
Grade Level(s): 9, 10, 11, 12
Intended Audience: Educators educators
Suggested Technology: Internet Connection, Interactive Whiteboard, LCD Projector
Instructional Time: 1 Hour(s) 25 Minute(s)
Keywords: strong nuclear force, radioactive decay/radioactivity, chemical reaction, nuclear reaction, alpha decay, beta decay, gamma decay, half life, radioactive dating, carbon dating, radioisotopes, protons, neutrons, electrons, atom, nucleus, independent variable, dependent variable
Instructional Component Type(s): Lesson Plan,  Problem-Solving Task,  Assessment,  Educational Game ,  Presentation/Slideshow,  Video/Audio/Animation,  Formative Assessment
Instructional Design Framework(s): Direct Instruction, Demonstration, Cooperative Learning
Resource Collection: CPALMS Lesson Plan Development Initiative

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