Introduces teeth, describing how many we have at various stages of life, why they fall out, and what they do.

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

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.