The question: "What would the triple point of water truly look like?" is discussed and explained. The phases of matter are described.

Discover how freezing works, when the change of state moves from liquid to solid.

Explore the movement of the molecules in a solid.

The late prehistoric rock-art sites of the Mediterranean seaboard of the Iberian peninsula form an exceptionally large group. Here the way of life during a critical phase of human development is vividly and graphically depicted in...

Take on this self-guided advanced level e-text, and learn about the chemical and physical structure of liquids and solids.

This PDF is fill in the blank notes, activities and graphic organizers on kinetic molecular theory.

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.

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.