What happens to the environment when a volcanic eruption occurs? What are some of the caused by volcanic activity? What can people do about the problems caused by volcanic eruptions? How can you use your math skills to learn more about volcanic eruptions? Read this book to find the answers to these questions and learn more about volcanic eruptions.
A tour of the Mississippi River and its surrounding area.
Learn where our home planet fits into the solar system, what it is made of, and why it is the only place we can live.
Discover what it's like on the surface of the red planet and find out how space missions have helped scientists learn more about it.
Learn all about Jupiter, our solar system's largest planet, and its many moons.
Find out about the closest planet to the Sun and learn why its years are so short.
Travel to the far reaches of our solar system and learn about this distant, gaseous world.
Learn all about the distant planet Uranus and its many moons and rings.
Venus is the closest planet to Earth, and it is also very similar in size. Learn all about "Earth's twin".
Learn how to plan and ask fascinating interview questions.
The reader follows a student's journal as the student learns about geothermal power as an energy source. This engaging title includes how humans used geothermal power in the past, how we use geothermal energy today, and how we may use it in the future.
The reader follows a student's journal as the student learns about oil and coal as an energy source, including how we used oil and coal in the past, how we use it today, and how we may use oil and coal in the future.
The reader follows a student's journal as the student learns about the history of solar power, how solar power is used as an energy source today, and the exciting future of solar energy.
Following a student conducting research, the reader learns about water power as an energy source. This exciting title includes how humans used water power in the past, how we use energy from water power today, and how we may use it in the future.
The reader follows a student's journal as the student interviews experts about wind power as an energy source. This engaging book covers wind power's history, how we use wind power today, and how we may use the wind as an energy source in the future.
Activities provide tips and instructions for creating and sharing audio recordings online.
Learn how to take photos and share them online.
In Armored Animals, early fluent readers learn about animals such as the armadillo, rhinoceros, and crab that protect themselves against predators with thick skin or protective plating. Vibrant, full-color photos and carefully leveled text engage young readers as they explore the unique adaptations of these armored animals. An infographic illustrates a beetle's exoskeleton, and an activity offers kids an opportunity to extend discovery. Children can learn more about armored animals using our safe search engine that provides relevant, age-appropriate websites. Armored Animals also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In Slides, early fluent readers explore the physics behind this popular piece of playground equipment. Vibrant, full-color photos and carefully leveled text engage young readers as they explore how a slide works. An infographic explores the difference between kinetic and potential energy, and an activity offers kids an opportunity to extend discovery. Children can learn more about slides using our safe search engine that provides relevant, age-appropriate websites. Slides also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In Slimy Animals, early fluent readers learn about animals such as the hagfish, fulmar, and sea cucumber that protect themselves against predators with slimy goo. Vibrant, full-color photos and carefully leveled text engage young readers as they explore the unique adaptations of these slimy animals. An infographic shows how ribbon worms produce slime, and an activity offers kids an opportunity to extend discovery. Children can learn more about slimy animals using our safe search engine that provides relevant, age-appropriate websites. Slimy Animals also features reading tips for teachers and parents, a table of contents, a glossary, and an index.
In Venomous Animals, early fluent readers learn about animals such as the cobra, bee, and stonefish that protect themselves against predators by injecting poison. Vibrant, full-color photos and carefully leveled text engage young readers as they explore the unique adaptations of these venomous animals. An infographic shows how fangs deliver venom, and an activity offers kids an opportunity to extend discovery. Children can learn more about venomous animals using our safe search engine that provides relevant, age-appropriate websites. Venomous Animals also features reading tips for teachers and parents, a table of contents, a glossary, and an index.