by Matt Mullins


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Why was Galileo put in Jail for his writings about gravity?

The Pope was angered by Galileo's work proving that Earth was not the center of the universe.

Inside, You'll Find:

Why gravity keeps us from floating into outer space;

A timeline, photos and how gravity works on other planets;

Surprising True facts that will shock and amaze you!

Product Details

ISBN-13: 9780531265840
Publisher: Scholastic Library Publishing
Publication date: 09/01/2011
Series: Scholastic True Book Series: Physical Science
Pages: 48
Sales rank: 487,190
Product dimensions: 7.00(w) x 8.40(h) x 0.10(d)
Lexile: 910L (what's this?)
Age Range: 7 - 9 Years

Table of Contents

1 What Gravity is and What it Affects

What are the differences between mass, matter, and weight? 7

2 How we used to think about Gravity

How did Galileo Galilei change people's ideas about the universe? 13

3 Gravity Becomes Clearer

What question did Newton ask about gravity's effect on the solarsystem? 23

Weightlessness Hurts!

What are the side effects of being in space? 28

4 Einstein Explains That Space Bends

How can we show that big objects attract smaller ones? 31

5 Gravity, Light, and Stars

What does gravity have to do with black holes? 35

True Statistics 43

Resources 44

Important Words 46

Index 47

About the Author 48

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