Warm Up 53

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Warm Up 53
When developing a town for 10,000 people, what
are some things (such as houses) that would need
to be built?
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Warm Up 55 (skip 54)

• 1) What do you know about soil?

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• WARM UP 55
• 1) What do you think happens to the dead leaves,
  twigs and trees?

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• 2) What happens to exposed rock over long time
  periods?

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• 3) Explain how soil is formed.

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• 4) List several reasons why soil is important.

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Warm Up 56

• Explain what you see in this chart

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(No Transcript)
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Warm Up 57

• 1) Why do we care about soil erosion?

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2) What are the main causes of soil erosion?
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Warm Up 58

• 1) What is desertification? (look up in book)

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• 2) What are some solutions to overgrazing? (look
  up in book)
• 3) What are 2 negative impacts of soil erosion?

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Warm Up 59

• 1) When did humans begin farming?

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• 2) List several differences between traditional
  and industrial agriculture.

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• 3) List at least 1 positive and negative of the
  Green Revolution.

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Warm Up 60

• 1) Explain what genetically modified organisms
  (GMOs) are.

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• 2) What is happening to the amount of arable land
  worldwide? Why is that a problem?

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Warm Up 61

• List at least 3 reasons why you think we study
  water. (why is water important?)
• 2) List 5 ways you use water.

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• 3) What is the chemical formula for water.
• 4) Estimate how much water you use each day.

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Warm Up 62

• Why is water a limited resource?
• Where is most water located?

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• 3) How is most water in U.S. homes used?
• 4) List 3 ways to conserve water at home.

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Warm Up 63

• 1) List 3 ways that water is a unique substance.

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• 2) In your own words, describe several steps in
  the water cycle.

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Warm Up 64

• 1) Explain how an action of someone in NY State
  can impact the water quality of the Delaware as
  it passes Philadelphia

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• 2) Copy and fill in blanks ______ of Earth is
  covered by water, of that _______ is in the
  Oceans and _______ is fresh water. Of the fresh
  water most is found _______________.

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3) How can we protect groundwater?
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Warm up 65

• List as many ways humans use water as you can
  think of.
• 2)Predict For what use do we use the most water?
• 3)Predict How much do you think you pay for 1
  gallon of tap water?

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Warm Up 66

• 1) List several benefits and costs of dams

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• 2) Why is desalinization not more common?
• 3) Why is chlorine often added to drinking water?