Explains what energy is, looks at different types of energy, including heat, kinetic, water, chemical, and others, and discusses the energy cycle and energy supplies.
A biography of the gentle but stubborn man who called on all Indians to disobey British laws through civil disobedience and non-cooperation until India was granted independence.
"Looking at some of the major inventions and discoveries shaping our world today, Breakthroughs in Science profiles the research leading up to the discovery (not just profiles of the one or two key "players"). Each book describes the "famous" moment and then examines the continued evolution illustrating its impact today and for the future"--.