Vocabulary

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Across
  1. 7. A long period without rain.
  2. 9. A storm with lots of snow and wind.
  3. 10. A large amount of snow falling down a mountain.
  4. 11. Energy sources that do not run out, like wind or solar power.
  5. 14. Harmful substances in the environment.
  6. 17. A large ocean wave caused by an underwater earthquake.
  7. 18. The loud sound that follows lightning.
  8. 20. A very strong wind.
  9. 21. To use something carelessly and unnecessarily.
  10. 22. To use less of something, like water or energy.
Down
  1. 1. To keep something safe.
  2. 2. The usual weather conditions in an area.
  3. 3. To put trees or plants in the ground.
  4. 4. A mountain that erupts with lava and ash.
  5. 5. A large area covered with trees.
  6. 6. Related to the whole world.
  7. 7. To damage something so badly it cannot be fixed.
  8. 8. A powerful storm with strong winds and heavy rain.
  9. 12. When water covers land that is usually dry.
  10. 13. To turn off lights or appliances to save energy.
  11. 14. To collect garbage or litter from the ground.
  12. 15. A bright flash of electricity in the sky during a storm.
  13. 16. A rotating column of air that touches the ground.
  14. 19. A long period of extremely hot weather.