Lesson 1 Vocab and Water Cycle

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Across
  1. 2. pressure The force of air applied to an object
  2. 6. The process where a liquid changes to a gas
  3. 10. Heat is transferred by objects touching on another
  4. 11. As altitude and temperature increases, air pressure
  5. 15. Condensation produces these in the sky
  6. 17. Lakes, rivers, ice, and oceans where water is held
  7. 18. This gas makes up the largest percentage of our atmosphere
  8. 19. Water that falls from the air as a liquid or solid
  9. 20. A series of events that repeat over and over
  10. 21. Water that runs across Earth's surface
Down
  1. 1. All of the living things on Earth create this
  2. 3. The process of breathing - inhale and exhale
  3. 4. The energy and heat that comes directly from the Sun
  4. 5. How many cloud types are there
  5. 7. Heat is transferred through the air
  6. 8. The process of plants and animals releasing water vapor
  7. 9. The amount of water vapor in the air
  8. 12. When water changes from a gas to a liquid
  9. 13. The thin coat of gasses that surround our planet
  10. 14. How close or compact molecules are to one another
  11. 16. This is created as air moves from high pressure to low pressure