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Physical Science

Reading Levels These books contain three developmentally appropriate reading levels for each grade span.

Low
Mid
High

Each level of the book conveys similar concepts, images, and vocabulary.

Energy

© Yashkin Dmitry/iStock/Thinkstock

Energy

Energy is everywhere. Every action and movement requires energy. Without energy, we could not see or hear anything. Energy provides us with food, warmth, transportation, and entertainment. If it were not for energy, we would not grow and could not survive. This unit helps students understand what energy is. Unit materials focus primarily on five important types of energy: light, sound, motion, heat, and electrical. Each energy type is defined and supported with everyday examples.

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