• 1. 
    Water contracts when it freezes.

  • TRUE
  • FALSE
  • 2. 
    At 10 meters below, the atmospheric pressure of the ocean is exactly double that of the surface.

  • TRUE
  • FALSE
  • 3. 
    Roughly 20 percent of the water humans use is for agriculture.

  • TRUE
  • FALSE
  • 4. 
    Rainwater is the purest form of water.

  • TRUE
  • FALSE
  • 5. 
    Fresh water is more acidic than salt water.

  • TRUE
  • FALSE
  • 6. 
    Water boils more quickly in the mountains than at sea level.

  • TRUE
  • FALSE
  • 7. 
    The ice that covers the Antarctic is more than 4,000 meters thick.

  • TRUE
  • FALSE
  • 8. 
    It is impossible to tell time by water.

  • TRUE
  • FALSE
  • 9. 
    Condensation is water that comes from the air.

  • TRUE
  • FALSE
  • 10. 
    Water is composed of hydrogen and helium atoms.

  • TRUE
  • FALSE
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