How can you tell if a moving object is accelerating? Why are pulleys used to lift objects? Can you observe weightlessness in everyday situations? Using easy-to-find materials and the scientific method, you can learn the answers to these questions and more. If you are interested in competing in science fairs, the book contains lots of great suggestions and ideas for further experiments.

Robert Gardner is an award-winning author of science books. He is a retired high school teacher of physics, chemistry, and physical sience. He lives with his wife, natalie, and enjoys writing, biking, and doing volunteer work.