The way the water world works

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Across
  1. 7. condensed forms of water vapor
  2. 9. The lowest and densest region of the Earth's atmosphere
  3. 10. pressure, the force on a surface caused by weight of the atmosphere, pressing down on earth
  4. 11. parcel, an amount of air that moves as a unit
  5. 13. the light of the sun; sunshine.
  6. 16. when plants suck water through the roots
  7. 17. the force of attraction by which terrestrial bodies tend to fall toward the center of the earth
  8. 18. the ability to make things move or change
  9. 19. The changing of a liquid into a gas, often under the influence of heat
  10. 20. a measure of how much water vapor is in the air
Down
  1. 1. the measure of how hot or cold something is
  2. 2. the phase change where gas or vapor turns into a liquid
  3. 3. the star that is the central body of the earth's solar system
  4. 4. a transient storm of lightning and thunder
  5. 5. something we see to be same over and over again
  6. 6. a violent storm with winds whirling around a small area of extremely low pressure, usually characterized by a dark funnel-shaped cloud causing damage along its path
  7. 8. water, water that accumulates on the surface of the ground, such as during flooding or when the ground becomes saturated
  8. 12. the long-term prevalent weather conditions of an area
  9. 14. any form of water—liquid or solid—that falls from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail
  10. 15. where something comes from