Why does the rain fall? Why do rivers flow to the sea? The scientific theory of gravity answers these and many more questions we may have about this invisible force. This fascinating book looks at the historical controversies that surround the theory of gravity and tells the stories of the scientists who worked on the theory. It also examines how the theory of gravity was arrived at, how it was tested and what impact the theory has had on our understanding of science today.
This is Book 7 in the Great Scientific Theories Series. See all Great Scientific Theories books here.
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Nick Hunter has written many non-fiction books for children. He has a degree in Modern History and specializes in writing about history and social studies.
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