Animals: Age 10

3 illustrated Animals lessons for Age 10.

A Dog's Two Nostrils A dog's nose has two nostrils that work separately. By comparing what each one smells, the dog can tell which …
Bat Ears and Echoes Bats make high squeaks that people cannot hear. The squeaks bounce off things, and the bat listens to the retu…
Wings Push Air A bird flaps its wings downward, and the wing feathers press against the air. That push helps the bird lift of…