What's the very biggest number there is? Is it a million? That's one followed by six zeros---1,000,000. No, one million isn't the biggest number. There can be many millions. For example, the earth...
Giant fish
Most of the fish you see are probably no more than a foot or two (30-60 centimeters) in length. But some fish are giants. Some of the biggest fish are sharks. The very biggest fish in the ocean is...
The biggest and the smallest
Mammals The Kitti's hog-nosed bat is less than 1 inch (2.5 centimeters) long. The blue whale is as long as 100 of the rulers. The bat and the whale are both mammals. And so is a dog. > The blue...
Biggest of all!
What is the biggest animal that has ever lived? It's not one of the giant dinosaurs of long ago. It's an animal that is living right now. It is the blue whale. A blue whale is so long and wide that...