Uses observations of bean seeds planted in egg shells to demonstrate the growth of seeds into plants.

A simple explanation of how the rotation of the earth causes night and day.

Explains basic facts about the Big Dipper, including which stars make up the constellation, how its position changes in the sky, and how it points to the North Star.

A simple explanation of how a shadow is formed.

Describes the behavior of different kinds of ducks and, in particular, discusses how all ducks use preening to keep their feathers dry.

Explains the basic properties of skin, how it protects the body, and how it can vary in color.

A simple introduction to the composition and functions of blood.

Describes the behavior and physical characteristics of the birds that live in a sub-zero climate, swim instead of fly, and send their chicks to "kindergarten."

A youngster tells why he likes toads, especially the one in his garden, and reminds us that a single toad can eat 10,000 insects and 2,000 cutworms in a summer.

Explains the processes by which a hamburger and other foods are used to make energy, strong bones, and solid muscles as they pass through the digestive system.