q2
Across
- 2. tells how many molecules there are in a formula
- 4. ____ dense molecules rise
- 6. when underground water flows to a stream, river, ocean
- 11. part of the water cycle where liquid falls to earth due to gravity
- 12. when snow melts and runs into a stream or river or some other water
- 14. two or more elements joined together
- 16. inner part of an atom
- 18. when the molecules have escaped their bonds and no longer in the liquid state
- 19. heat transfer through thermal emission or waves
- 20. drives the water cycle
- 21. stored energy
- 23. pulls precipitation down towards the earth
- 24. ____ dense molecules sink
- 26. positive charged
- 28. when water is pulled into the earth by gravity
- 30. heat transfer through physical touch
- 31. part of the water cycle where gas turns into a liquid
Down
- 1. where most of the water cycle happens
- 3. made from atoms
- 5. tells how many atoms there are in a molecule
- 7. an underground area where water gathers
- 8. smallest particles
- 9. when something is moving
- 10. transfer of thermal energy through liquid or gas by heat rising and cool sinking
- 13. negative charged
- 15. when water goes directly from a solid to a gas
- 17. water evaporation from plants
- 19. water flowing after a heavy rain
- 22. when the molecules are fluid and can move around each other
- 25. part of the water cycle where liquid turns into a gas
- 27. neutral (no charge)
- 29. when the molecules are tightly stuck together