Geoscience Education in the Mountain State:
	CATS Earth Science Connections III
	Environmental Geology Telecourse

Weekly Course Notes: October 15, 2001 (Show 5)

Outline

Dr. Deb and Dr. Bob

• Physical and Chemical Weathering Activities
  • Rock Shakers
  • Freeze/Thaw and Wet/Dry
  • Rust
  • A Long-Term Experiment: Abrasion
• Dig In: Soils in the Classroom from NSTA
• SK Worm: Natural Resources Conservation Services

Break

Dr. Jack and Dr. Bob

• Cation Exchange Capacity: CEC
• Mass Movement
• Subsidence: Natural and Human Induced
• Climate Changes and Extremes
  • Global Warming--Global Cooling
  • El Nino and La Nina
  • Deserts and Desertification
  • Glaciers and Ice Ages
• Preview of Show #6: Water Issues: Cadillac Desert

• Abrasion
  • Mass a piece of limestone, sandstone, and shale
  • Place in a plastic container with a lid
  • Shake the container
  • Mass the rocks and compare values
  • Repeat process

• Abrasion in Water
  • Soak the piece of limestone, sandstone, and shale overnight in water
  • Mass the rocks and compare the values to the dry "weights"
  • Place in a plastic container
  • Shake container 100 times and mass the rocks
  • Repeat this five more times
  • Graph the results for each of the rocks

• Frost Wedging
  • Place the rocks in a freezer overnight
  • Remove in the morning and let them "thaw"
  • Mass and refreeze
  • Repeat this process
  • Compare the results for the three rocks

Dr. Robert Behling (rbehling@wvu.edu)

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Page last revised: November 1, 2001