Study

H20

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  • Does water become cleaner when it evaporates into a water vapor?
    Yes, generally, water becomes cleaner when it evaporates.
  • True or False it takes 1,799 gallons of water to produce 1 pound of beef.
    True
  • True or False 75% of a living tree is water.
    True
  • What is dew?
    Condensation found on the ground, usually on grass.
  • True or False water vapor is water in a gas form?
    True
  • True or False There is the same amount of water on Earth as there was when the Earth was formed.
    True
  • True or False water expands when it freezes.
    True
  • True or False 75% of the human brain is water.
    True
  • What cause water to change from a vapor to liquid, or a liquid to solid?
    Water changes form in response to changing temperatures.
  • True or False evaporation is when water turns into gas?
    True
  • True or False? Clouds are the result of water vapor condensing into tiny water droplets.
    True
  • True or False hot water freezes faster than cold water?
    True
  • True or False Two-thirds of the world’s population is projected to face water scarcity by 2025, according to the United Nations.
    True
  • What forms of water are found on earth?
    solid, liquid, and gas
  • Where does rain come from?
    Water droplets within a could eventually get too big and fall back down to earth as rain, snow, or hail.
  • True or False condesation is when a gas turns into a liquid?
    True
  • True or False Approximately 900 billion gallons of water are used in the United States per day.
    False its 400 billion gallons
  • How old is water on earth.
    Millions of years old.
  • True or False? Nearly 97% of the world’s water is drinkable.
    False Nearly 97% of the world’s water is salty or otherwise undrinkable. Another 2% is locked in ice caps and glaciers.
  • How do we know there is water in the air?
    Some evidence that there is water vapor in the air include clouds, feeling moisture on our skin on a humid day (condensation)
  • True or False a person can live a month without water.
    False you can only live a week