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The student will demonstrate an understanding of Earth and Space systems.

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nitrogen water carbon TAKS Objective 5 The student will demonstrate an understanding of Earth and Space systems. Predict the results of modifying the Earth s ... – PowerPoint PPT presentation

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Title: The student will demonstrate an understanding of Earth and Space systems.


1
The student will demonstrate an understanding of
Earth and Space systems.
  • TAKS Objective 5

2
Predict the results of modifying the Earths
nitrogen, water and carbon cycles
  • TEKS 8.12 C

3
The student will summarize the effects of human
activity on the water cycle global warming,
water quality and water quantity
  • Lesson Objective

4
The Water Cycle
5
True of False There is plenty of water
  • Question

6
There is a limited supply of potable water on
earth.
Earth's Water Supply
7
Earths Water
8
  • Extreme Water

9
Engage
  • Use the textbook or pictures from the internet to
    show students
  • Diminished water quantity
  • Diminished water quality

10
Diminished Water Supply
Drought
11
Fire
12
Beach Destruction
13
Injured Wildlife
14
Water Pollution
15
Explore
  • The Environmental Protection Agency
  • Answer the following questions
  • Where is water stored?
  • How does water move from one place to another?
  • What is infiltration?
  • What is runoff?
  • How does global warming affect the water cycle?
    Use information about the effect of (a) the wet
    cycle and (b) the dry cycle.

16
Explain
  • Debrief
  • Review questions related to the EPA water cycle
    animated video clip

17
  • Where is water stored?

Water is stored in oceans, lakes, rivers, and
groundwater.
18
  • How does water move from one place to another?

Evaporation, transpiration, condensation,
precipitation.
19
  • What is infiltration?

Infiltration is water movement between the spaces
in the soil.
20
What is runoff?
  • Runoff occurs when water flows over the ground
    instead of sinking into the ground.

21
  • How does global
  • warming affect the water cycle?
  • Include information about the effect of
  • The wet cycle
  • The dry cycle

22
Global warming intensifies the water cycle
because the earths surface is a little warmer
and this increases evaporation.
a). Where there is too much water, there is more
water infiltrating and more runoff. This could
cause flooding and negative effects on plants and
animals living in the area.
b). In areas away from a water source more
evaporation and transpiration could dry out the
soil. This could lead to lowered ground water
supply, and have negative effects on the plants
and animals living in the area.
23
Elaborate
  • Create a diagram showing the effects of global
    warming on the water cycle.

24
Evaluate
  • Summarize the effects of human activity on the
    water cycle
  • global warming,
  • water quality,
  • and quantity.
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