"One day, gravity on Earth suddenly became a fraction of what it is now. Twenty years later, humanity has adapted to its new low-gravity reality. And to Willa Fowler, a woman born just before G-day, it's pretty awesome. Who wouldn't want to be able to soar through the air? But there are dangers too--and not just the fact that, with one wrong step, you could go flying of the face of the Earth. Some dangers lurk much closer to home than she knows. . ."--Provided by publisher.
An introduction to gravity, covering what it is, how it influences Earth and the moon, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
An introduction to gravity, covering what it is, how it influences Earth and the moon, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
Describes the study of gravity throughout history, from the ponderings of the ancient Indians, Chinese, Babylonians, and Greeks to twentieth-century physicist Stephen Hawking's theories on black holes, and includes a glossary and further reading list.
