Weird Water Events

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Across
  1. 5. The combination of glaciers and hot rock create___ (2 words - no space)
  2. 8. the phase change going from gas to liquid What do flash floods do to cracks to carve a canyon?
  3. 10. the gas phase of water (2 words - no space)
  4. 14. In the liquid phase, water molecules still ____ together, which is why water beads on a car windshield.
  5. 17. the phase change going from liquid to gas
  6. 18. When water molecules are stuck in place, the phase they are in is ____
  7. 20. Gas expands to fill its ____
Down
  1. 1. What formed Antelope Canyon? (2 words - no space)
  2. 2. Even though Niagara Falls is frozen in the winter and looks like rocks, it is still ____
  3. 3. a scale we cannot usually see
  4. 4. If you looked at a substance on the molecular ___ when it is frozen, the molecules would be moving in place.
  5. 6. Since the molecules of water are held in place, the ice is ____
  6. 7. A gallon of water is made up of ___ of molecules
  7. 9. water molecules have a greater freedom of _____ when they are liquid compared to solid
  8. 11. water molecules are ____ packed together in ice
  9. 12. When old faithful erupts and the water changes phases to water vapor, the molecules have more____ (3 words - no spaces)
  10. 13. When ice meets hot rock, the ice changes ____.
  11. 15. What kind of hot rock is close to the surface in Iceland?
  12. 16. A ____ heats up the rocks at Old Faithful to cause the water to change phases
  13. 19. Molecules in a gas can move ___ from each other