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THE GALAXY GUIDES: HOW DO WE KNOW EARTH IS ROUND

Earth Science

Mathematics & Science

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B2B GT

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B2B & B2C

<P>People used to think that Earth was flat, but now we know it isn't. How did we find out Earth is actually a sphere? How did science help us understand the shape of our planet? Readers in this volume will delight in exploring the history and science behind Earth's spherical shape.</P>

The Galaxy Guides: How Do We Know Earth Is Round?

Accelerated Reader: Reading Level

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Guided Reading Level

The Galaxy Guides

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Front Cover.
Title Page.
Copyright Page.
Contents.
1: Does Earth Look Round to You?.
2: What Were People&#x0027;s Early Ideas About Earth?.
3: Who First Thought Earth May Not Be Flat?.
4: How Do Stars Prove Earth Is a Sphere?.
5: How Can Climbing Prove Earth Is a Sphere?.
6: Does Earth&#x0027;s Gravity Prove It&#x0027;s a Sphere?.
7: Why Are Earth and the Planets Spherical?.
8: How Is It 1 a.m. and 1 p.m. at the Same Time?.
9: Can Geometry Prove Earth Is a Sphere?.
10: Can Shadows Tell Us About Earth&#x0027;s Shape?.
11: Did Sailors Know Earth Was Round?.
12: Is Earth a Perfect Sphere?.
Galaxy Quiz.
Glossary.
Further Information.
Index.

The Galaxy Guides: How Do We Know Earth Is Round?.css-1p8rvzy{position:absolute;padding-left:8px;}

The Galaxy Guides: How Do We Know Earth Is Round?