1. storm that brings rain, thunder, and lightning

2. thunderstorm

3. storm that brings heavy snow and wind

4. blizzard

5. storm that starts over a warm ocean and has strong winds and rain

6. hurricane

7. funnel shaped cloud that has strong winds and moves along a narrow path

8. tornado

9. weather instrument used to show the direction of wind

10. weather vane

11. weather instrument used to measure the amount of precipitation that has fallen over a given amount of time

12. rain gauge

13. weather instrument used to measure temperature

14. thermometer

15. when an area receives too much rain

16. flood

17. when an area does not receive rain for a very long time

18. drought

19. when water is heated and turns into water vapor

20. evaporation

21. when water falls from the clouds in the sky

22. precipitation

23. when water vapor in the air cools and forms clouds

24. condensation

25. when rain, ice, and changes in temperature break rocks down

26. weathering

27. when rocks are carried away by wind, rain, and flowing water

28. erosion