Natural desasters crossword

3. Violent windstorm that can destroy houses and trees.
5. When water covers land that is usually dry.
9. A deep, narrow valley with steep sides, usually created by a river cutting through rock over many years.
10. A large wave caused by an underwater earthquake.
11. The movement of water caused by the rise and fall of the sea (tides), which can be strong and affect boats or swimmers.
15. People who offer to help or work without being paid, usually during emergencies or community projects.
16. People who cannot escape from a dangerous place.
17. It happens when the ground shakes violently.
19. When a large amount of earth, rocks, or mud suddenly falls down the side of a hill or mountain.
20. A low area of land between hills or mountains, often with a river running through it.

1. The food, water, tools, or other necessary things people need, especially in emergencies or long trips.
2. Large, uncontrolled fires that spread quickly through forests or grasslands, often caused by dry weather or lightning.
4. When buildings fall down during an earthquake.
6. Lack of rain for a long period of time.
7. To take action or reply when something happens, such as helping quickly after a disaster.
8. When a mountain suddenly releases lava and ash.
12. The people who help during an emergency or disaster.
13. A very strong tropical storm with violent winds and heavy rain, especially in the Pacific Ocean region.
14. Frozen mass of snow that falls down a mountain.
18. People who live after a disaster.