Large collection of child-friendly experiments, including experiments with cola (loosen a rusty bolt), cool tests (make our own icicle), hot topics (best way to pop popcorn), plants, germs, forces in action (light a light bulb with a lemon battery), and miscellaneous (are yawns contagious?). Over 50 ideas included with step by step instructions and suggestions for recording results in a science notebook. Explanations of the results are often included, too.