heat

Presents experiments that introduce and explain the concept of heat.

Elmer the patchwork elephant and his friends have a fun day playing in the snow, while learning that the concepts of hot and cold are only relative.

Photographs and simple text teach children about changing temperatures.

Simple experiments dealing with temperature, the movement of molecules, and heat transfer reveal how objects as cold as ice cubes still retain heat.

Offers a brief description of the science of hot and cold.

A child describes ways to keep cool when the weather is hot.

Looks at some of the many different things that melt.

Text and experiments introduce the scientific properties of heat and cold, examining such topics as temperature, thermometers, freezing, and melting.

Discusses how heat makes things expand and how energy changes from one form to another.

An introduction to heat, its properties, and uses. Includes study questions, activities, and experiments.