Enter the following in the Table of Contents:

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• Enter the following in the Table of Contents
• 4A- Forces of Change
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As you watch, think about how Tsunamis like this
occur
2
Elements of Change
Builders Breakers
3
Plate Tectonics
Continental Drift Theory
4
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5
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. 2. 3.
The movement of Earths plates and the landforms
it creates
Weathering -
Erosion-
Human Factors -
Volcanism -
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• The movement of Earths plates, and the landforms
  they create.

7
Plate Tectonics
1,2

• Evidence

Fossil Alignment/Location
Fit of Continents
Seafloor Spreading
8
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
The movement of Earths plates and the landforms
it creates
Weathering -
Erosion-
Human Factors -
Volcanism -
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9
Plate Tectonics
3
Lithosphere
10
Plate Tectonics
4,5

• Movement

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12
Plate Tectonics
6-7

• Earthquakes, Volcanoes Mountains

Earthquake
Convergent Volcano
Hotspot Volcano
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14
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
Mountain Building and Earthquakes
The movement of Earths plates and the landforms
it creates
Weathering -
Erosion-
Human Factors -
Volcanism -
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Weathering Erosion
16
Weathering
17
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
Mountain Building and Earthquakes
The movement of Earths plates and the landforms
it creates
Weathering A process which breaks down rocks
Creates soil and breaks down mountains
Erosion-
Human Factors -
Volcanism -
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Erosion
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Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
Mountain Building and Earthquakes
The movement of Earths plates and the landforms
it creates
Weathering A process which breaks down rocks
Creates soil and breaks down mountains
Erosion- Ground surface moved from one place to
another (wind /water /glaciers)
Coasts Canyons Cliffs caverns
Human Factors -
Volcanism -
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Human Factors
22
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
Mountain Building and Earthquakes
The movement of Earths plates and the landforms
it creates
Weathering A process which breaks down rocks
Creates soil and breaks down mountains
Erosion- Ground surface moved from one place to
another (wind /water /glaciers)
Coasts Canyons Cliffs caverns
Human Factors Entertainment, Urbanization,
Mining, Deforestation
Humans are both Builders AND Breakers of
Landforms
Volcanism -
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23
Volcanism
24
Forces of Change
Phenomenon
Effects
Evidence for PT
Plate Tectonics -
1. Fit of Continents 2.Fossil Alignment/Location
3. Sea Floor Spreading
Mountain Building and Earthquakes
The movement of Earths plates and the landforms
it creates
Weathering A process which breaks down rocks
Creates soil and breaks down mountains
Erosion- Ground surface moved from one place to
another (wind /water /glaciers)
Coasts Canyons Cliffs caverns
Human Factors Entertainment, Urbanization,
Mining, Deforestation
Humans are both Builders AND Breakers of
Landforms
Volcanism When magma is released to the earths
surface
Islands and Mountains
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