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...
Curated OER
Mixtures
Sixth graders experiment with mixtures. For this chemistry lesson, 6th graders determine which mixtures are considered heterogeneous, a suspension, a solution or a colloid. Students create a data sheet of what they discover.
Dartmouth College
Dartmouth College: Centrifugation
"A centrifuge separates a heterogeneous mixture of solid and liquid by spinning it." Use this site to find out how to correctly use a centrifuge in this informative site.
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.
Sophia Learning
Sophia: Suspensions
A brief, narrated tutorial explaining the properties of a suspension, and why it is unique from other mixtures. [0:29]
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.
Science Struck
Science Struck: Homogeneous Mixture
Explains what a homogeneous mixture is, gives examples, and discusses some ways used to separate homogeneous mixtures.
Frostburg State University
General Chemistry Online: Heterogeneous Mixtures
This is a brief definition from Frostburg State University of a heterogeneous mixture. Includes commonly known examples of these mixtures.
Mocomi & Anibrain Digital Technologies
Mocomi: Pure Substances and Mixtures
Defines matter, substances, and mixtures and gives examples.