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Age 9-12
Grade 4-7

Leon Gray

How Does GPS Work?

Library Binding (Gareth Stevens Publishing Jan. 1, 2014)
When taking a road trip today, some sort of GPS device is essential. It may be built into the cars dashboard, or perhaps its just an app on a smartphone. But GPS is used for more than just finding your way! Readers will be fascinated by its beginnings as a military system and its many modern uses, such as catching criminals, predicting earthquakes, and creating maps. Colorful photographs illustrate real-life examples of GPS technology, military and civilian, and informative text clearly explains the science and math concepts behind the satellites and receivers used all over the world.
Series
High-Tech Science (Book 4)
ISBN
1482403935 / 9781482403930
Pages
48
Weight
12.0 oz.
Dimensions
9.0 x 0.2 in.

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