Describes the origins, characteristics, and future of the sun, planets, moons, asteroids, meteoroids, and comets.

Describes the expansion of the universe as a result of The Big Bang.

Award-winning science writer Seymour Simon explores the Red Planet through fascinating facts and amazing full-color photographs. Readers will learn about the recent discovery of water, the Valles Marineris-the biggest valley on Mars-the ice caps, recent expeditions, and more. This updated edition includes: author's note stunning full-color photographs glossary index websites and additional reading sources Supports the Common Core Learning Standards,...

Presents simple activities and experiments that demonstrate buoyancy by observing why some things sink and others float in water.

An introduction to the physical characteristics, behavior, and life cycle of different kinds of spiders.

Publisher Annotation: There are thousands of exoplanets scattered throughout the Milky Way galaxy, and scientists are on a constant quest to find one just like Earth. In Exoplanets, Simon examines the planets outside of our solar system and uncovers what makes them habitable, our efforts to discover new life, and more. With clear, simple text and stunning full-color photographs, readers will explore the farthest reaches of space and explore the answer...

Describes the heart, blood, and other parts of the body's circulatory system and explains how each component functions.