Knapp, Brian

Explains how good diet, exercise, proper medical care and avoiding harmful substances can maintain health.

Presents an introduction to electricity.

Explains what friction is, the rules of friction, how friction can be reduced and more.

Explains what solids and liquids are and the different properties they have.

Explains how temperature can be measured, conduction and convection, radiation, how our bodies regulate heat, ways to help buildings retain heat and more.

Looks at the way animals and plants live together in different habitats.

Explains different sources of light, shadows, and the difference between translucent and transparent materials.

Presents a look at springs and magnets, explaining what they do.

Explains what rocks are, different types of rocks, how they shape the land, how rocks are used and more.

Explains the different elements plants need to grow successfully.