Gravity

Overview

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...

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Overview

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!

Read More Show Less

Editorial Reviews

Children's Literature - Amy S. Hansen
Part of "A True Book" series, Mullins provides one of the clearest and most dynamic explanations of gravity I have seen. While every reader has experienced gravity, understanding it is abstract and the history of our comprehension even more tangled. But Mullins provides a solid history that includes Newton and Einstein. His sentences are direct without being pedantic. For example, after a longer explanation of matter, mass, and weight he summarized: "Matter is stuff. Mass is the amount of stuff. Weight is how much the earth's gravity pulls on stuff." He also includes a brief description of life without gravity and the difficulties astronauts face while they are weightless in the space station. As is true with all the books in this series, Mullins starts with a single question quiz, saying everything you read in this book is true except for one of sentences on the first page. This hook works well to draw the reader in, looking for the answer. Illustrated with attractive photos, the book will work well in early and middle grades. Back matter includes a glossary, index, and list of further resources. Reviewer: Amy S. Hansen
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Product Details

  • ISBN-13: 9780531265840
  • Publisher: Scholastic Library Publishing
  • Publication date: 9/1/2011
  • Series: A True Book
  • Pages: 48
  • Sales rank: 335,703
  • Age range: 7 - 9 Years
  • Product dimensions: 7.00 (w) x 8.40 (h) x 0.10 (d)

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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