Ms. Abate's pwr point--Shaping the Land
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Ms. Abate's pwr point--Shaping the Land

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Ms. Abate's pwr point--Shaping the Land Ms. Abate's pwr point--Shaping the Land Presentation Transcript

  • Shaping the Land Chapter 3
  • KEY WORDS
    • Define the following words with a partner:
    • Weathering
    • Erosion
    • Water cycle
    • Glaciation
    • Glaciers
    • Zone of accumulation
    • Zone of ablation
    • deposition
  • What is the difference in their skin?
  • The Work of Water pg. 21
    • Water wear away at rocks and minerals: this is called weathering.
    • Weathering breaks the rock in two ways:
    • Mechanically
    • Chemically
    • Look at the difference between the pictures in figure 3.1
    • Mechanical weathering: When water fills cracks, freezes, then expands and puts pressure on the rocks.
    • Chemical weathering: When water dissolves some of the chemicals found in a rock.
    • ***EROSION: When water carries away these small weathered pieces of rock.
    • Teachers domain: Erosion
    Click here!
  • The Water Cycle http://www.dnr.state.wi.us/org/caer/ce/eek/earth/groundwater/watercycle.htm CLICK on cycle below
  • The Work of Ice pg. 23
    • Glaciation occurs when snow freezes.
    • Glaciers are created when more snow falls in winter than can be melted during the following summer.
    • As snow builds up the bottom layer becomes ice. Think of in the winter when you have snow banks on your lawn.
    Go to Teacher’s Domain: Glaciers
  • Glaciation A glacier moving rock A glacier cutting through a valley After the glacier has melted, a glacier valley A model of a river bed during glaciation Click on the polar bear
    • This was Canada covered at one point in history.
  • British Columbia Ice field http://nsidc.org/glaciers/ Go to Google Earth and find the British Columbia Icefield
  • Homework
    • TEXT: Pg.26 1 to 4
    • Video on glaciers
    • WORKBOOK: pg. 14-19 (to be worked on throughout the next few days)