Pumpkins are a kind of fruit, because they grow from a flower and hold seeds.

An octopus has three hearts and blue blood.

Hummingbirds are the only birds that can fly backwards.

A newborn kangaroo is about the size of a jelly bean.

Frogs drink water through their skin.

Saturn could float in a giant bathtub because it is less dense than water.

The International Space Station goes around Earth about 16 times every day.