Physical Science in Depth (Paperback)
3 total works
How is light like waves in the ocean? What causes a mirage? How do eyes our translate light into the things we see? What are some forms of light than we cannot see? This title looks at the fascinating nature of light, how it's measured, and how it behaves. The book examines some of the exciting ways that light is being used in medicine, astronomy, and communications. It also discusses what the study of the most distant light in space tells us about the origin and future of the universe.
How does magnetism help birds find their way home? How do magnets help power your computer? What distant objects have the strongest magnetic fields in the universe? This title looks at the fascinating properties of objects that repel and attract one another. The book explores the magnetic universe and how the magnetic nature of our planet gives clues about its past. It also examines electromagnetism, the special force that helps power most of the machines we use each day.
Energy
by Carol Ballard, David L. Dreier, Alfred J. Smuskiewicz, and Sally Morgan
Published 29 August 1997
Why do we need the Sun’s energy? How is electrical energy produced? What will happen when fossil fuels run out? This title looks at what energy is, why we need it, and how it is transferred. Find out how nuclear energy works, discover how animals conserve heat energy, and take a closer look at future energy sources.