Describes the nature of the sun, its origin, source of energy, layers, atmosphere, sunspots, and activity.

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

Introduces the facts about volcanoes, what they are, why and how they erupt, different types of volcanoes found around the world, and the effects of some famous eruptions of the twentieth century.

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,...

In this updated and revised edition of Icebergs & Glaciers, award-winning science writer Seymour Simon gives readers an in-depth look at how icebergs and glaciers have shaped our rivers, mountains, and earth, as well as the effect climate change is having on them and our planet. With fascinating facts and breathtaking full-color photographs, readers will learn all about how these huge masses of ice are formed, how they move, and why they are essential...

Describes the physical characteristics, habits, natural environment, and behavior in captivity of the killer whale.

Describes the characteristics of the planet Jupiter and its moons as revealed by photographs sent back by two unmanned Voyager spaceships which took one-and-one half years to reach this distant giant.

Presents wildfires as neither good nor bad but as part of the endless cycle of change in forests and grasslands.

Examines the phenomenon of earthquakes, describing how and where they occur, how they can be predicted, and how much damage they can inflict.