Book excerpt: The universe is full of energy from the amazing power of the sun to the food we eat. Energy makes things work. Did you know heat, light, and sound are different forms of energy? How do these various forms of energy affect our everyday lives? Light is energy you can see, heat is energy you can feel, and sound is energy you can hear. Exploring Heat Light Sound Energy explains the various forms of energy and its relation with the environment Follow the questions and answers and learn interesting facts and get active with easy-to-do science experiments.