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Water Unit Review

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  • The water in glaciers is in what form?
    Solid
  • Why was there no oceans when the Earth was formed?
    Earth was too hot and the elements needed for water were inside the Earth
  • What are the steps of the water cycle?
    Precipitation, evaporation, condensation, (and transpiration)
  • Name a source of pure water in nature
    There are none
  • Most water is inside of rocks (T/F)
    False
  • What are the two main types of industrial pollution?
    Metals and Toxins
  • How much salt does salt water typically contain?
    35 g/L
  • How is it possible for Earth to have liquid water?
    Earth has an atmosphere and is the perfect distance from the sun
  • Water is more dense as a solid (T/F)
    False
  • What percent of our fresh water is used by agriculture?
    79%
  • Most fresh water is in the ocean (T/F)
    False
  • What is groundwater?
    Water beneath the surface of the Earth between the soil and rocks
  • List three ways to save water at home
    Turning off the tap, shorter showers, better appliances
  • Can underground water reach the surface of the Earth?
    Yes, springs, seeps, human activity
  • Why does the water table in aquifiers rise and fall?
    Recharge and discharge of aquifier because of human or natural processes
  • What is the proccess off making water drinkable called?
    Water treatment/purification/potabilization
  • Why is salt put on roads during the winter?
    Salt lowers the freezing point of water, preventing ice formation
  • Why do we move more slowly in the water than out of the water?
    Gaseous air is more easily to move through than liquid water; water has high adhesion
  • What percent of water on Earth is liquid?
    75%
  • When does a cloud produce percipitation?
    Water droplets or ice crystals combine and become large enough to overcome air resistance
  • Name 2 things water does in organisms
    Life in cold climates, Transport substances, Plant nutrition, Hydrostatic skeletons
  • Is the water we drink completely pure?
    No
  • The rapid growth of algae and bacteria is called
    Eutrophication
  • Earth's underground water is stored in ______
    aquifers
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