Christine Taylor-Butler

Unlike most other planets, Venus can be seen from Earth's surface with the naked eye. Only the moon burns brighter in the night sky. Readers will learn why Venus's thick clouds help make the planet so hot and why it's days last so long. They will also get an up-close look at Venus's remarkable land features and find out how scientists have studied the harsh surface of the planet.

Simply describes the functioning of the digestive system and explains the process of digestion.

Discusses how fish can breathe underwater, why their bodies are perfectly suited for swimming, and how they reproduce.

Describes the various parts of the nervous system and explains how sensory messages are sent back and forth through nerves between the brain and the body.

Explains how amphibians live double lives, spending time both on land and underwater, and how they search for food and reproduce, as well as what dangers are facing these species today.

Did you know that the tongue of blue whale can weigh as much as an elephant? How about that blue whales' songs can be louder than the engine of a jet plane? Or that, with the right equipment, you can hear a blue whale's heartbeat two miles away? Perfect for all animal lovers-and blue whale fans in particular-this book is filled with all the facts you need to know to become a blue whale expert! Where are blue whales found? What's it like to be a blue...

Following the scientific process, this titles provides instructions on how to conduct experiments that help students gain a better understanding of sound.

Following the scientific process, this title provides instructions on how to conduct experiments that help students gain a better understanding of the properties of magnetism.

Explains what the sun is made of, why it burns so bright, and what would happen if it disappeared.