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Water Unit Review

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    Review Questions about the Water Unit in 1st ESO Biology
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  • Name 2 things water does in organisms
    Life in cold climates, Transport substances, Plant nutrition, Hydrostatic skeletons
  •  15
  • Most water is inside of rocks (T/F)
    False
  •  10
  • The water in glaciers is in what form?
    Solid
  •  15
  • Water is more dense as a solid (T/F)
    False
  •  15
  • What percent of water on Earth is liquid?
    75%
  •  20
  • Most fresh water is in the ocean (T/F)
    False
  •  10
  • How much salt does salt water typically contain?
    35 g/L
  •  20
  • Earth's underground water is stored in ______
    aquifers
  •  15
  • What are the steps of the water cycle?
    Precipitation, evaporation, condensation, (and transpiration)
  •  15
  • What percent of our fresh water is used by agriculture?
    79%
  •  20
  • The rapid growth of algae and bacteria is called
    Eutrophication
  •  15
  • What are the two main types of industrial pollution?
    Metals and Toxins
  •  15
  • What is the proccess off making water drinkable called?
    Water treatment/purification/potabilization
  •  15
  • List three ways to save water at home
    Turning off the tap, shorter showers, better appliances
  •  15
  • Why is salt put on roads during the winter?
    Salt lowers the freezing point of water, preventing ice formation
  •  20
  • Is the water we drink completely pure?
    No
  •  10