Physics Central
Physics Central: Physics in Your Glass: Racing Molecules
An easy experiment for demonstrating and exploring molecule movement requiring common household items: two glasses, two dark colors of food coloring, and warm and cold water. A few variations to the experiment will have students using...
Physics Central
Physics Central: Physics at Mealtime: Capillary Action
An easy experiment that illustrates how water molecules move. Students will be able to conduct this activity quickly and easily and will only need a little liquid and a straw with a paper wrapper.
Purdue University
Purdue Univ: Gases, Liquids, and Solids
This site has a brief description of the differences in particles in a gas, liquid, and solid. Animated microscopic pictures demonstrate the molecular movement in each state. Information is then summarized in an easy-to-read chart.
CK-12 Foundation
Ck 12: Life Science: 2.10 Diffusion
Understand the processes of osmosis and diffusion.