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

A simple introduction to the appearance, growth, habits, and behavior of starfish.

Imagines sights and experiences on a moon visit.

Describes the habits and behavior of ducks emphasizing the physical characteristics which prevents their "getting wet.".

Describes the shrimp from the egg and larva to the adult stage.

Explains briefly why an object floats or sinks.

A brief study of the first creatures on earth to develop voices and an aversion to dry skin.

On a visit to a natural history museum, a little boy sees fossilized skeletons of dinosaurs and learns what archaeologists have discovered about the physical appearance and habits of these huge, extinct creatures.

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.