Science facts for kids include the speed of a cheetah, the hunting habits of the chameleon, communication among wolves in a pack and the physical impossibility of pigs looking up in the sky. Additional facts are a scallop possessing 100 simple eyes and a shrimp having its heart in its head.
Cheetahs are wildcats that live mainly in Africa. The cheetah is the fastest land animal. Cheetahs can reach speeds of 70 miles per hour in short spurts, and they can even make it to 60 miles per hour in only three seconds. They use their tails to keep balance during a chase. After 400 to 600 yards, they rest.
Chameleons live in the trees in forests, and they use their moving eyes to look out for both food and predators. They shoot out their long tongues to capture their food. Chameleons change color according to changes in their moods.
Grey wolves live in groups called packs, and they utilize a wide range of vocalizations to communicate with one another during hunts and other pack activities. Wolf packs have a hunting range that can be up to 600 square miles large, and howl to communicate with each other and to warn rival packs. Other communication methods include facial expressions and scent marks.