There are forces at work whenever you throw a ball, run up the stairs, or push your big brotheroff the couch. Want to learn more about the forces around you? Re

Forces are at work all around you. They affect things as small as a toy car and as big as the earth! Forces make things move, but they also make things stop. So

Simple language and humorous illustrations show fundamental concepts of physics--how forces make things move, prevent them from starting to move, and stop them

Matter: Physical Science for Kids from the Picture Book Science series gets kids excited about science! What’s the matter? Everything is matter! Everything yo

Get Your Move On! In Making Things Move: DIY Mechanisms for Inventors, Hobbyists, and Artists, you'll learn how to successfully build moving mechanisms through