Hardcover
(Capstone Global Library Ltd, June 1, 2011)
How do we know Earth isn't flat? What are the benefits of space exploration, and is it good value? How and why do scientists study the universe? This series answers questions like these, while tackling key curriculum topics relating to Earth, space, and the universe.
How do we know Earth isn't flat? What are the benefits of space exploration, and is it good value? How and why do scientists study the universe? This series answers questions like these, while tackling key curriculum topics relating to Earth, space, and the universe.
Earths water isn't created its recycled! Find out how water changes from a puddle on the ground to a gas in a cloud to falling raindrops and back again!
This book examines the benefits space exploration has brought to people and society - from medical advances and new consumer products to greater understanding of our planet and its resources - and asks, "Is the cost worth it?".