Restless Earth

Unstable Earth's Crust and Plate Margins
1. Earth's structure
  1. Inner core
  2. Outer core
  3. Mantle
  4. Crust
2. Types of crust
  1. Oceanic
    1. Dense
    2. Minerals
    3. Can sink
    4. Can be created & destroyed
    5. Younger
  2. Continental
    1. Older
    2. Less dense
    3. Cannot sink
    4. Cannot be renewed or destroyed
3. Plate margins
  1. Constructive <-->
    1. Mid-Atlantic
  2. Destructive -><-
    1. Subduction
      1. Pacific-N.American
    2. Collision
      1. India-Eurasian
  3. Conservative ^^
    1. San Andreas, California
Unique landforms at plate margins
1. Composite volcanoes
2. Shield Volcanoes
3. Ocean trenches
4. Fold mountains
Human use of fold mountains
1. Farming
2. Mining
3. Hydro-electric power (HEP
4. Tourism
5. Case study
  1. Andes, Peru, S. America
Volcanic eruption
1. Distribution
  1. Destructive and constructive plate margins
  2. Hotspots e.g. Hawaii
2. Case study
  1. Eyafjällajökkul Iceland 2010
3. Causes
4. Primary effects
5. Secondary effects
6. Immediate responses
7. Long-term responses
8. Monitoring methods
  1. Prediction methods
Supervolcanoes
1. Characteristics
  1. Caldera
    1. Crater-like
      1. Collapsed magma chamber
    2. Rim
2. Possible effects of eruption
  1. Global impacts
  2. National impacts
3. Case study
  1. Yellowstone, USA
Causes and location of earthquakes
1. Characteristics
2. Measuring earthquakes
  1. Richter scale
    1. Measures power
      1. Scale 1-10
  2. Mercalli scale
    1. Measures effects
      1. Scale 1-12 (Roman numerals I-XII)
3. Location
  1. Destructive, Constructive, Conservative Margins
Effects of earthquakes on countries at different stages of development
1. Rich World Case Study
  1. Christchurch NZ 2011
    1. Cause
    2. Effects
      1. Immediate
      2. Long-term
    3. Responses
      1. Immediate
      2. Long-term
2. Poor World Case Study
  1. Haiti 2010
    1. Cause
    2. Effects
      1. Immediate
      2. Long-term
    3. Responses
      1. Immediate
      2. Long-term
3. Prediction, preparation & protection
Tsunamis
1. Formation
2. Case study
  1. Japan Tohoku 2011
    1. Causes
    2. Effects
    3. Responses

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	Created by John Ditchburn about 10 years ago