Book excerpt: Daring experiments and perplexing puzzles designed to get your brain cells buzzing Science Rocks offers youngsters a variety of awe-inspiring ideas for science projects that could enliven their school work and help them score the winning prize at the science fair Jam-packed with fun activities to fill a few spare minutes, an hour, or a day, this book teaches kids how to use household objects to learn about chemistry, physics, biology, and more. With its vivid illustrations and step-by-step instructions, Science Rocks contains experiments are instantly accessible to all.