Super-strength gives the Man of Steel the right amount of muscle to win any tussle. But what gives things strength? And is anyone or anything in our world as strong as Superman? Get ready to find out with the help of the World's Greatest Hero. You'll be amazed by how much you can learn about the science of strength.
A guide to anatomy and physiology that provides simple explanations of the various systems and functions of the human body, describing what different parts of the human body are and how they work to keep people alive.
This Level 1 guided reader examines how people keep cool in summer weather. Students will develop word recognition and reading skills while learning about the actions of people and the tools they utilize to stay cool and healthy in heat.