Find out how properties of matter describe its various states. Discover the states of matter that exist on our planet and in the universe. Includes experiments with different states of matter and observing the changes as well as animated movies, lesson plans, worksheets, and online quizzes. Several sites have lesson plans for teachers. There are links to eThemes Resources on gases, liquids, and solids, and mass and weight.
Explore links on this page to learn about water and its three states. At the bottom of the first page, select the "To Chapter 2- States of Matter" link to find out how properties describe different states of matter. Learn about solids, liquids, and gases. NOTE: The site leads to websites with ads.
See illustrations and explanations on density. The link to the left, "Liquid Layers," incorporates oil and water density into an experiment. Note: There is a broken link on "Finding mass, volume and density".
These sites explain and define the three stages (or phases) of matter: gas, liquid, and solid. There is also information about a fourth phase called plasmas. Included are animations of particles, videos, illustrations, and activity ideas.