Energy drives our world. When you think "energy," what do you think of? What about sound and light? Are they forms of energy? Just what is energy, anyway?

Part of a 24-book series that covers the four main branches of science—physical science, life science, earth and space science, and science and technology, and covers essential content standards. Students will build their scientific knowledge, increase their content vocabulary, and sharpen critical nonfiction comprehension skills. Books are 6 5/8" x 9 1/8"