Vocabulary

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