q2

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Across
  1. 2. tells how many molecules there are in a formula
  2. 4. ____ dense molecules rise
  3. 6. when underground water flows to a stream, river, ocean
  4. 11. part of the water cycle where liquid falls to earth due to gravity
  5. 12. when snow melts and runs into a stream or river or some other water
  6. 14. two or more elements joined together
  7. 16. inner part of an atom
  8. 18. when the molecules have escaped their bonds and no longer in the liquid state
  9. 19. heat transfer through thermal emission or waves
  10. 20. drives the water cycle
  11. 21. stored energy
  12. 23. pulls precipitation down towards the earth
  13. 24. ____ dense molecules sink
  14. 26. positive charged
  15. 28. when water is pulled into the earth by gravity
  16. 30. heat transfer through physical touch
  17. 31. part of the water cycle where gas turns into a liquid
Down
  1. 1. where most of the water cycle happens
  2. 3. made from atoms
  3. 5. tells how many atoms there are in a molecule
  4. 7. an underground area where water gathers
  5. 8. smallest particles
  6. 9. when something is moving
  7. 10. transfer of thermal energy through liquid or gas by heat rising and cool sinking
  8. 13. negative charged
  9. 15. when water goes directly from a solid to a gas
  10. 17. water evaporation from plants
  11. 19. water flowing after a heavy rain
  12. 22. when the molecules are fluid and can move around each other
  13. 25. part of the water cycle where liquid turns into a gas
  14. 27. neutral (no charge)
  15. 29. when the molecules are tightly stuck together