Solids, Liquids, and Gases Experiments Using Water, Air, Marbles, and More: One Hour or Less Science

Award-winning author Robert Gardner comes to the rescue of busy students everywhere. Each experiment follows the scientific method, and is designed to be completed in under an hour. Readers will discover how to weigh air, estimate the volume of matter, and the science of why water holds together. There are also ideas for more science experiments if readers have extra time.