Science Chapter 8

  1. The place where fresh water and salt water meet.
  2. Passing a liquid through material that removes impurities.
  3. Water stored in the cracks and spaces of underground rock.
  4. A thick sheet of ice covering a large area of land.
    ice cap
  5. A way of getting water into the soil by artificial means.
  6. Water in the atmosphere that falls to Earth.
  7. The rise and fall of ocean water levels.
  8. The upper area of groundwater.
    water table
  9. Water in a gas state.
    Water vapor
  10. An up and down movement of water.
  11. Other than in glaciers and ice caps, where on Earth is fresh water found?
    rivers, lakes, streams, and groundwater
  12. More freshwater is found in which of the following places?
    rivers, lakes, streams, or groundwater
  13. How much of most plant's and animal's weight is made up of water?
    About half
  14. Where is most of Earth's water found?
    In the ocean
  15. The water found in the ocean and seas is:
    salt water or fresh water
    salt water
  16. What prevents the oceans from overflowing?
  17. What causes particles of water to evaporate?
    The particles absorb heat, usually from the sun.
  18. What causes water to freeze?
    Lowering temperatures and the loss of heat.
  19. What state is frozen water in?
  20. Fresh water can also be found in ____  ______________ when it is not in the rivers, lakes, streams, and groundwater.
    the atmosphere
  21. Water condenses when it loses this.
    heat energy
  22. Name the 3 states water can be found in.
    gas, liquid, solid
  23. Which has more water in it, the atmosphere over water or the atmosphere over the desert?
    the atmosphere over the desert
  24. Name 4 ways to conserve water.
    • You might include:
    • fix leaky pipes
    • put a brick in the tank of your toilet
    • turn off the water while you brush your teeth
    • only wash FULL loads of clothes and dishes
    • take short showers instead of taking baths
  25. What usually creates most of the water pollution?
    • industry
    • farming
    • and humans
  26. What causes ocean tides?
    The pull of gravity between Earth, the moon, and the sun.
  27. What causes daily changes in the ocean tides?
    The moon's orbit around earth
  28. The lowest part of a wave is called the _____.
  29. What direction do warm currents move in the northern hemisphere?
  30. What word do we use to describe the coastline being built up and moving out toward the ocean?
  31. Areas with no public disposal systems have these...
    septic tanks
  32. In order for a well to produce water the bottom of the well has to be lower than this.
    the water table
Card Set
Science Chapter 8
Science Chapter 8 study cards