Watersheds and Physical/Chemical Changes Vocabulary

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Across
  1. 4. changes in state of ________ are evidence of a physical change
  2. 8. an area of land where ground water and surface water flow into a larger body of water
  3. 10. evidence of a chemical change that happens when something is burning or on fire
  4. 11. when a substance changes from liquid to solid
  5. 13. lakes, rivers, streams, and oceans are examples of
  6. 14. when a new substance is formed due to a chemical reaction
  7. 16. this type of change creates something new or alters the actual substance
  8. 18. sediment being moved into the river by precipitation is ________ source pollution
  9. 19. evidence of a chemical change that happens when gas is released
Down
  1. 1. water that collects in cracks and pores in underground soil
  2. 2. rock that water can flow through is _________ rock
  3. 3. when a substance changes from gas to liquid
  4. 5. an area of permeable rock that holds or transmits groundwater
  5. 6. when the ground sinks to form a hole due to excessive removal of groundwater
  6. 7. this type of change alters the form or appearance, but not the actual substance
  7. 9. when a substance changes from solid to liquid
  8. 12. evidence of a chemical change that happens when metal oxidizes
  9. 15. when a substance changes from liquid to gas
  10. 17. an oil boat leaking into an ocean is _______ source pollution