Why Does Earth Spin?

Where is planet Earth—and how big is it? Does the ground move under our feet? What would we find if we dug down all the way to the Earth's core? And why is the sky blue?  Children will discover the answers to these and other must-know questions about our amazing planet.
ISBN10: 1454906758
ISBN13: 9781454906759
Number Of Pages: 32
Publication Date: 20140107
Publisher: Sterling
Binding: Paperback
SKU: 9781454906759
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Where is planet Earth—and how big is it? Does the ground move under our feet? What would we find if we dug down all the way to the Earth's core? And why is the sky blue?  Children will discover the answers to these and other must-know questions about our amazing planet.