Across
- 2. A form of energy obtained from coal. (Source: Page 111)
- 5. The hottest time of the year. (Source: Page 110)
- 7. A device that heats water using solar energy. (Source: Page 110)
- 8. A device that converts light energy into electricity. (Source: Page 110)
- 9. The process by which plants prepare their food. (Source: Page 109)
- 10. Season when people wear woolen clothes. (Source: Page 110)
- 12. A form of energy obtained from wind. (Source: Page 111)
Down
- 1. A device that uses sunlight to cook food. (Source: Page 110)
- 3. Season when people use umbrellas and gumboots. (Source: Page 110)
- 4. The natural process that helps plants grow. (Source: Page 109)
- 5. Energy obtained from the rays of the sun. (Source: Page 109)
- 6. Energy that can last for a long time. (Source: Page 111)
- 11. An important source of natural energy. (Source: Page 109)
