Crossword - environment

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Across
  1. 5. A very heavy and sudden fall of rain.
  2. 8. What happens to water when it gets very cold.
  3. 9. A public transport vehicle that runs on rails in streets
  4. 10. When the sky is filled with grey or white clouds.
  5. 13. Weather with heavy rain, lightning, and noise.
  6. 14. You should bring your own bag when you go ____.
  7. 15. When there is a lot of air movement outside.
Down
  1. 1. When too much rain causes water to cover the land.
  2. 2. An extended period of extremely hot weather.
  3. 3. A brief or light period of rain.
  4. 4. Weather when the sky is clear and bright.
  5. 6. A fast way to travel through the sky.
  6. 7. An item (like a bottle) that isn't "single-use."
  7. 11. A city train system that runs in tunnels.
  8. 12. A long vehicle that travels on tracks between cities.