Curated OER
I'm All Mixed Up
Middle school scientists compare and contrast heterogeneous and homogeneous mixtures. They differentiate solutions, colloids, and suspensions by examining samples of each. Note that the bulk of the lesson plan directs you how to...
Other
English Montreal School: Chemical vs. Physical Changes: Elements vs. Compounds
A laboratory experiment where students classify matter into a homogenous mixture, heterogeneous mixture, solution, or pure substance. Also students will test for physical and chemical changes.
Soft Schools
Soft Schools: Chemistry: Matter: Mixtures Quiz
A ten-question quiz on the chemical properties of mixtures.
CK-12 Foundation
Ck 12: Chemistry Simulation: Air Matters
[Free Registration/Login Required] Explore the composition of air and learn about the different atoms and molecules that we breathe every day.
Mocomi & Anibrain Digital Technologies
Mocomi: Pure Substances and Mixtures
Defines matter, substances, and mixtures and gives examples.