Forces
Plate definitions
What does it form/cause
other
Theory of Plate Tectonics
100

What force happens when boundaries slide past one another?

Shearing

100

The boundary where plates move towards each other.

Convergent

100

What boundary causes earthquakes?

Transform boundary

100

What is the area of the subduction zone?

Where oceanic crust slides under continental crust.

100

What are the three things that support the theory of Plate Tectonics?

Continental drift, Fossil Evidence, and Geological Evidence.

250

What force happens when plates move toward one another?

Compression

250

The boundary where plates move away from each other.

Divergent

250

What happens when the oceanic crust slides under the continental crust?

Causes a volcano.

250

How does new crust form?

When magma comes up and hardens into rock.

250

How long did it take to come up with the theory of plate tectonics?

Over 100 years

400

What force happens when plates move apart from one another?

Tension

400

The boundary where plates slide past each other.

Transform

400

What forms when plates move towards each other?

Mountains

400

What is the fault that causes earthquakes in California?

San Andreas Fault

400

What idea did the theory of Plate Tectonics replace?

Continental Drift

550

What plate boundary makes shearing happen?

Transform Boundary

550

What is the definition of the Divergent boundary?

The boundary where plates move away from each other.

550

How do earthquakes form?

By plates sliding past each other.

550

What is one of the four closest plates to the North American Plate?

The Cocos plate, the Juan De Fuca plate, the Eurasian plate, and the Carribean plate.

550

How fast do plates move?

Only a few centimeters a year

700

What plate boundary makes tension happen?

Divergent

700

What is the definition of the Transform boundary?

The boundary where plates slide past each other.

700

How do volcanoes form?

When oceanic crust slides under continental crust.

700

What plate is the South Pole on?

The Antarctic plate

700

What are the three ways plates move?

Away from one another, towards one another, and past one another