Mixture or Solution?

Textbook definition: "Mixtures are formed simply by blending two or more substances together in some random proportion without chemically changing the individual substances in the mixture."

Mixtures can then be broken down into homogeneous and heterogeneous. A homogeneous mixture is called a solution: salt or sugar and water, air (solution of gases). These have a constant composition throughout the solution. A heterogeneous mixture would be: salt with sugar (no water), water with gasoline or oil, salt with sand. These have areas with differing compositions (you could usually see the separation of the two things).
Resource ID#: 21042 Type: Lesson Plan
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General Information

Subject(s): Science
Grade Level(s): 8
Intended Audience: Educators educators
Suggested Technology: Computer for Presenter, Computers for Students, Probes for Data Collection, Overhead Projector
Instructional Time: 2 Hour(s)
Keywords: Mixture, solution, pure substance (element), homogeneous mixture, heterogeneous mixture, solute, solvent
Instructional Component Type(s): Lesson Plan,  Problem-Solving Task,  Video/Audio/Animation,  Text Resource,  Tutorial,  Instructional Technique
Instructional Design Framework(s): Guided Inquiry (Level 3), Learning Cycle (e.g., 5E), Writing to Learn
Resource Collection: iCPALMS

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