Texas Education Agency
Texas Gateway: Solids, Liquids, and Gases
Given descriptions, scenarios, or illustrations, students will distinguish between the compressibility, structure, shape, and volume of solids, liquids, and gases.
Texas Instruments
Texas Instruments: Who Says a Watched Pot Never Boils?
In this activity, students' will investigate what causes phase changes in matter.They use a temperature sensor to measure the temperature of a substance and identify visual clues to the phase changes.
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Liquids and Solids
Take on this self-guided advanced level e-text, and learn about the chemical and physical structure of liquids and solids.
NC State University
The Science House: Chromatography of Foods [Pdf]
Students will practice the technique of chromatography by separating a mixture of FD&C dyes. Questions related to the experiment along with the answers are available for use by the teacher.
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.