Experiments with Electricity and Magnetism, Force and Motion, Heat and Energy. The ultimate book for young scientists who want to discover scientific principles for themselves by carrying out Cool Science experiments and activities! Have fun as you construct a pulley system, build a pendulum that paints and make a lemon battery while learning about electricity, motion and energy in a practical way. Key Features: Easy-to-follow experiments Dynamic Photos and illustrations What you Will Need boxes. Safety and troubleshooting tips.