Description
Explores the science of light, explaining where this energy comes from, its importance to life on Earth, and what uses people have found for it.
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Light allows us to see and keeps plants alive. But did you know that it can also cut diamonds or metal, measure a moving object's speed, and read CDs and DVDs?A True Book: Physical Science allows readers to find answers to puzzling questions as well as discover how people have used physical science to make countless innovations throughout history. This series includes an age appropriate (grades 3-5) introduction to curriculum-relevant subjects and a robust resource section that encourages independent study.Readers will learn all about light, from what it is and how it moves through space, to how people have learned to harness its power. They will also discover how people use light to see and conduct experiments to explore how light can be moved and manipulated.
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