by Lisa Hill

Hardcover(Library Binding)

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Gravity by Lisa Hill

Which scientist created the Laws of force and Motion that we still use today?

What keeps satellites orbiting Earth?

What is microgravity?

Gravity takes a close look at the force that holds the universe together. You will learn about mass distance-the two factors that affect gravity-and orbital velocity. You will even be able to create your own microgravity balloon! Strap in and prepare for "warp speed" as you go on an exciting journey to explore gravity!

Sci-Hi is a visually stimulating series that takes learning science core curriculum to a whole new level! Each title in the series explores an area of life, physical, or earth science in a way that is both engaging and comprehensive. Topics include everything from chemical reactions to cell function and specialization. Features of the series include high-interest spreads, fantastic photos and artwork, science activities and projects, quizzes, reviews, timelines, and two or more pages of glossary words and further information.

Product Details

ISBN-13: 9781442041431
Publisher: Baker & Taylor, CATS
Publication date: 07/10/2009
Series: Sci-hi: Physical Science Series
Pages: 48
Product dimensions: 6.50(w) x 1.50(h) x 9.50(d)

Table of Contents

What Is Gravity? 4

Measuring Gravity 6

Isaac Newton 10

Gravity and Acceleration 14

Gravity At Work 16

Can the Force of Gravity Change? 18

The Solar System 22

Galileo 24

Gravity's Pulling Force 26

Gravity and Orbiting Objects 30

Scientists in Space 36

Even More Ideas About Gravity 40

Gravity Timeline 44

Glossary 45

Further Information 47

Index 48

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