Watch different types of molecules form a solid, liquid, or gas. Add or remove heat and watch the phase change. Change the temperature or volume of a container and see a pressure-temperature diagram respond in real time. Relate the...

Explore the phase change that occurs when ice is melting.

Learn about the changing states of matter.

This resource explains the five states of matter and methods of changing from one state to another.

This resource discusses ways liquids can change into gases and vice versa.

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.