Across
- 6. a process that occurs when energy from the sun turns water into a gas called water vapor
- 10. the atmospheric layer closest to Earth’s surface
- 11. the amount of water vapor in the air
- 12. when water falls from clouds in the form of rain, sleet, snow, or hail
- 14. a tool that measures the temperature
- 16. the force put on a given area by the weight of the air above it
- 17. water that has soaked into the surface of Earth and is stored underground
- 18. the measurement of air pressure in the atmosphere
- 19. water in the form of a gas
Down
- 1. a weather instrument that measures air pressure
- 2. a weather instrument that measures wind speed
- 3. a process in which gravity pulls water down hills and slopes
- 4. the continuous movement of water between the atmosphere and Earth’s surface
- 5. a weather instrument that shows the direction the wind is coming from
- 7. when water vapor in the air cools and changes from a gas to a liquid
- 8. happens when warm air rises up; usually brings clouds and rain
- 9. happens when cold air pushes down; usually brings fine weather
- 11. a weather instrument that measures relative humidity
- 13. a process in which plants release water vapor into the air through its leaves
- 15. a weather instrument that measures rainfall