Lisa Greathouse

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

This book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides.

Build Grade 4 students' comprehension and critical-thinking skills and prepare them for standardized tests with high-interest nonfiction articles from TIME For Kids . This easy-to-implement resource includes accompanying document-based questions that focus on key strategies for breaking down informational text to help students build cross-curricular reading skills. A document-based assessment sheet is also provided for each passage so students can investigate the text in even deeper and more meaningful ways. This resource is aligned to state and national standards and supports the development of college and career readiness skills.

Build Grade 3 students' comprehension and critical-thinking skills and prepare them for standardized tests with high-interest nonfiction articles from TIME For Kids . This easy-to-implement resource includes accompanying document-based questions that focus on key strategies for breaking down informational text to help students build cross-curricular reading skills. A document-based assessment sheet is also provided for each passage so students can investigate the text in even deeper and more meaningful ways. This resource is aligned to state and national standards and supports the development of college and career readiness skills.

From Nicholas Copernicus to Isaac Newton, people have wondered about and studied astronomy for many years! Through vibrant images, easy-to-read text, and a hands-on lab activity, readers will be captivated as they learn about astronomers such as Galileo Galilei, Carl Sagan, and Henrietta Swan Leavitt and how their work made impacts on the field of astronomy. With a glossary and index readily available, readers will be sure to have the tools they need to better understand the content.

Come along and explore the wonders of our solar system in this exciting title Featuring a variety of stunning, vivid photos, helpful charts and graphs, and easy-to-read text, this book will have readers engaged from beginning to end as they learn about the sun, the eight planets in our solar system, the Milky Way Galaxy, constellations, dwarf planets, asteroids, and comets An accessible glossary and index give readers the tools they need while the featured lab activity provides a stimulating hands-on approach to science