APES UNIT 5 VOCAB

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Across
  1. 1. Single celled algae
  2. 3. Nothing can go in
  3. 4. Unwanted fish that are thrown back
  4. 6. very small aquatic animals
  5. 7. Plants converting the sunlight into food
  6. 8. Plants that live best in their place of origin
  7. 10. Nutrients in the water creating lots of O2
  8. 11. 78% of the air we breathe
  9. 13. Rainwater that doesn't soak in the ground and carries pollution into bodies of water
  10. 15. Life under the water
  11. 16. Water coming back to the surface from the ground
  12. 17. A hole drilled into the aquifer
Down
  1. 2. Nitrogen + Oxygen, found in fertilizers
  2. 5. Water vapor to water
  3. 8. Unclear where the pollution's coming from
  4. 9. The water cycle with a fancy name
  5. 12. Chemicals used to kill weeds
  6. 14. Groundwater in porous rock
  7. 15. Pond scum