Some planets are cold, dark, and lifeless. Not Earth! Our world is full of light, heat, and motion. What makes the difference? Energy! Energy flows through growing plants and blowing winds. It powers your body and the machines you use each day. Discover how the sun's energy travels to Earth and how it is stored and used by living things. Learn why heat in our atmosphere is rising and what people can do to control it.

The Science Masters series features a variety of science topics aligned to NGSS standards. From mixing matter to the study of sound waves, each informative book includes a glossary, comprehension questions, and an activity for home or the classroom.