Boundaries
Plate Tectonics
Causes
Theories
100
Convergent, Divergent, Transform Boundaries
What are the three types of boundaries?
100

Residual Heat and Radio Active Decay

What are the two forms of heat that drive convection currents?

100
Volcanic Eruptions, Earthquakes, Tsunamis
What natural disasters are caused by plate tectonics?
100
Missing the cause

Why was Alfred Wegener's theory rejected?

200

Convergent Boundary

What type of boundary is it when plates come together?

200
Crust
What is another name for lithosphere?
200

Two continental plates colliding

What causes mountains?

200
Plate tectonics are the plates under the earth that make up the earths surface, they move because of intense heat.
What is the theory of plate tectonics
300

Divergent Boundary

What type of boundary is it when plates move away from each other?

300
When an oceanic plate and continental plate collide.
What causes subduction to occur?
300

Earthquakes are caused by?

Transform Boundaries

300
the nineteenth century longitude determenations (longitude lines on a map), the shape of continents, fossil evidence, matching rock types and geological structures, and ancient climate patters
What evidence did Alfred Wegener use?
400

Transform Boundary

What type of boundary is it when two plates slide past each other?

400

Convection Currents

What causes plates to move?

400

Trenches

What landform is caused by Divergent Boundaries?

400

Alfred Wegener

What scientist came up with the theory of continental drift?

500
continental-continental, oceanic-oceanic, and oceanic-continental
What are the three types of convergent boundaries?
500

The theory that the Earth's plates are moving because of convection currents.

What are plate tectonics?

500

Subduction Zones

What occurs at convergent boundaries between an oceanic and continental plate?

500
He believed plate tectonics moved and that is what formed continents and oceans.
What is Alfred Wegener's Theory?
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