The Earth introduces readers to key moments in the planet's life, from its formation over four billion years ago to the present, including the Earth's position in the solar system, its layers, and when plants and animals began to inhabit the planet.

Loads of quirky, cool, and astonishing facts about Planet Earth, including volcanoes, oceans, caves, and plants. Did you know that rats are ticklish? Or that one-fourth of the bones in your body are in your feet? Or that President Thomas Jefferson introduced French fries to the United States? From creepy crawlies to ancient inventions, pumpkin-boat racing to the smallest bone in your body, our Weird-but-True Facts series offers all kinds of weird...

A look at why Earth is so comfortable for plants, animals, and people.

Examines Earth from its red-hot core to the highest peak.

The earth celebrates the birth of a newborn baby. On oversize pages.

Earth is the only planet known to support life. It has plenty of water, it's the right temperature, and it has a blanket of gases to protect it. Explore your own home planet in this book about Earth.

Women are making important discoveries on land, under the sea, and in space. Women in Earth and Space Exploration looks at individuals who are making a major difference in these fields. Compelling text, full-color photos, and helpful back matter highlight these women and their work. Features include a table of contents, a glossary, additional resources, and an index. Aligned to Common Core Standards and correlated to state standards. Core Library...

A basic introduction to planet Earth, its size, composition, and place within our solar system.

"How old is the earth? Where is the ice three miles thick? Why are volcanoes so dangerous? Where are the wettest and driest spots on the planet? Find the answers to these questions--and many more--in Earth by the numbers."--Dust jacket flap.

There is still so much to learn about our own planet. Readers are introduced to basic facts about Earth and discover Earth's relationship with the Moon.