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Let's-Read-and-Find-Out Science Stage 2.
"An account of how and why Mount St. Helens erupted in May 1980 and the destruction it caused, and a discussion of the return of life to that area."--Title page verso.
Why should you be a friend to trees? Trees are a valuable natural resource. People depend on trees for food, and animals depend on trees for food and shelter. But most important, we depend on trees because they add oxygen, a gas we all need, to the air. While trees give us many wonderful products, we must also protect them because we can't live without them.
Tells how hurricanes form, how scientists study them, and how they have affected the United States throughout this century.
Intended as a literary study guide with activities designed for group and individual projects. Includes a book summary, author information, vocabulary builders, comprehension and discussion questions and cross-curricular activities. Some pages are reproducible for classroom use.
Explains how teeth are clues to what animals eat and how they get their food.
The earth is like a spaceship in orbit—it has everything on board that we need to survive: water, food, and air with oxygen. Unlike a space shuttle, Earth is able to renew its resources. Read and find out why Earth is the greatest spaceship to be aboard!
A description of how volcanoes are born, erupt, and become dormant. Cites their vast destructive force but also mentions ways in which their power is being harnessed beneficially.