locomotion

Presents information on how science has tried to imitate nature by designing boats that have flippers based on the wings of penguins.

Identifies the common characteristics of both land and water mollusks, and discusses the diverse movement techniques used by mollusks.

Describes the physical characteristics of arthropods such as crabs, beetles, and centipedes, and shows how their jointed limbs, segmented bodies, and hard exoskeletons contribute to their movement.

A simple introduction to the concepts of speed, resistance, and friction, the different measurements of speed and distance, and machines that can increase speed, such as jet engines and roller skates.

Illustrations and simple text describe how various animals move.

Split pages allow readers to match the illustrations of various animals with the motions they make when they move.