Across
- 3. the amount of water vapor in the air
- 4. water that does not sink into the soil
- 7. Earth's atmosphere is made of 21% of this gas
- 8. when air pressure is _______ you will often see clear skies
- 9. How high or low a place is
- 12. Earth's atmosphere is made of 78% of this gas
- 13. water covers more than _______ percent of the Earth's surface
- 14. the pattern of weather over a LONG period of time
- 15. the layer of gasses surrounding Earth
- 16. measures wind speed in kilometers
- 19. when water falls back to Earth's surface
- 20. the stage of the water cycle where water vapor forms clouds
- 21. measure the direction the wind is blowing
- 22. the state of the atmosphere at a certain place and time
- 25. the constant movement of earth's water form the surface to the atmosphere and back again
- 27. ________ is the movement of air from areas of high pressure to areas of low pressure.
Down
- 1. round lumps of ice and are a form of precipitation
- 2. measures the humidity in the air
- 5. where most of Earth's water is kept
- 6. measures rainfall in centimeters or inches
- 10. the distance north or south of the equator
- 11. a change from the liquid to the gaseous state
- 17. measures the temperature in degrees
- 18. measures the air pressure
- 23. the closer a place is to this invisible line, the warmer it will be
- 24. the boundary where two different air masses meet
- 26. warm air that rises causes _________ air pressure