Benefits and Problems CHAPTER 1 The Power of the Sun 4 CHAPTER 2 Collectors and Cells 8 CHAPTER 3 16 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
1 CHAPTER CHAPTER 1 THE POWER Of THE SUN Every day the sun shines down on Earth It floods the planet with energy in the form of heat and light
1 CHAPTER This energy is free It will never run out We can use this power to heat air and water We can use it to cook food We can turn it into electricity to power our TV and lights