Science 6B: Water- Key Ideas

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Across
  1. 2. Most of Earth’s surface is covered in ______.
  2. 3. Non-point source pollution enters water ______ from many places. Run-off Non-point source pollution is carried by ______.
  3. 7. Water is a molecule made of two atoms of _____ and one oxygen.
  4. 8. Water resists temperature changes because of its high ____ ___.
  5. 10. ______ is water that contains little or no salt.
  6. 14. The water cycle includes processes such as evaporation, condensation, and ________.
  7. 17. Water is _____, it forms hydrogen bonds, it resists temperature changes.
  8. 19. ____ _____, like frogs, help determine the health of a watershed.
Down
  1. 1. keeps changing state as it goes through the cycle.
  2. 4. Water has a lower _____ in the solid form (ice) than liquid form.
  3. 5. Everyone can do things to prevent water pollution and ______ water.
  4. 6. A watershed is shaped by the _____ of the area.
  5. 9. A _____ is the area of land that drains water into a body of water.
  6. 11. Water has several ______ properties.
  7. 12. Major sources of pollution are agriculture, industry, and ______.
  8. 13. ________ is the water planet.
  9. 14. _____ ______ pollution enters water directly in just one place.
  10. 15. Most of Earth’s freshwater is frozen in ice caps and ______.
  11. 16. Water exists on Earth in all three states of matter: liquid, ______, and solid
  12. 18. Earth’s water is constantly recycled through the ________.