Physical Science in Depth (Paperback)
4 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.
Why does a siren's sound change as it passes you? How does sound become music? Can sound damage our ears? This title looks at what sound is, how sound is made, how sound waves travel, and how humans and other animals hear sound. Find out why sound travels faster through water than through air, how it is possible to 'see' using sound, and how sound is recorded.
What causes a flash a lightning? How can you use a lemon to create an electric circuit? Which type of electrical circuit powers my MP3 player? How does electricity get from a power station to my home? Are there electric signals flowing through your body right now? This title explores the nature of electricity, including how it behaves and how it is generated. The book looks at different types of electrical circuits and ways in which electricity can safely and efficiently provide power to our homes. It also examines exciting new ways in which electricity may change the world around us.
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.