Simple Machines

What is a first-class lever and the advantage in using one? How does a windmill work? Are human beings machines? Children will learn the answers to these questions and more by conducting safe experiments using materials found in the home. A fun-filled and educational way to explore science including ideas for further experimentation and hints on turning experiments into science fair projects. Illustrated.

This is a physics experiment book designed for children in grades 4 to 6. Young children will be able to complete the experiments with adult supervision. Older children can easily follow the step-by-step instructions with little or no assistance. Contains 101 fully tested experiments, in each case complete with a discussion of the experiment's purpose, a list of materials, illustrated instructions, a clue to expected results and a scientific explanation in understandable terms. Most of the materials required are available around the house and all experiments are safe. Designed to make the learning of physics a rewarding and fun experience and to encourage kids to seek more knowledge about science.