matter

Examines fire as a force in the physical universe, explaining its benefits and how it can be used or abused by humankind.

Discover what matter is, how it becomes solids, liquids, and gases, and through experiments and activities how these forms of matter behave and interact.

SImple text and illustrations describe the different states of matter.

Explains how melting and freezing changes the forms of liquid and solids, what causes melting and freezing, and how water can exist as a liquid, solid, and gas.

Photographs and simple text describe the three states of matter.

Presents various experiments that help to learn about solids, liquids and gases.

Presents an introduction to the concepts of solids, liquids, and gases, in simple text with illustrations.

Introduces the different ways to measure matter, and the tools used.

An introduction to the properties of matter, discussing solids, liquids, and gases.

Discusses the three states of matter and the steps that a material goes through when changing from one state to another.