Silverman, Buffy

An exploration of simple machines that discusses inclined planes, wedges, screws, levers, pulleys, and wheels and axles, and includes instructions for related experiments and activities.

"If you think you might like ice hockey, this book covers the basics of equipment, rules, and beginner hockey skills"--Provided by publisher.

"If you think you might like snowboarding, this book covers the basics of clothing, rules, and the beginner skills useful to know for snowboarding"--Provided by publisher.

Explores the differences between the Giganotosaurus and the Spinosaurus.

"Rhyming text and eye-catching photographs invite readers to search the natural world for signs of spring"--Publisher.

Explores the differences between the Brachiosaurus and the Apatosaurus.

Introduces the concept of moving objects in different ways, including pushing and pulling.

Brief text and photographs describe how the Earth spins on its axis creating day and night and explain electromagnetic waves and refraction.

Brief text and photographs describe how sound waves bring us information about our world and explain how the amount of energy in a sound wave is measured at its height or amplitude.

Brief text and photographs describe how to move objects by exerting a force which is a push or a pull.