Vocabulary
Under the Sea
Plate Tectonics
Boundaries
Earthquakes and Volcanoes
100
The adding of new material to the ocean floor
What is Sea-Floor Spreading?
100

The plates that are located on the Earth's crust.

What are Continental plates.

100
When to plates collide
What is Convergent Boundaries?
200
Term for an ancient organism that has been preserved in rock
What is a Fossil?
200
Long underwater mountain chains formed by divergent boundaries
What are Mid-Ocean Ridges?
200
Breaks in the Earth's crust
What are Faults?
200
When two plates separate
What is Divergent Boundaries?
300

Theses plates are found on the ocean floor.

What are Oceanic plates

300
Two continental plates colliding will create this
What are Mountains?
300
When two plates slide past each other
What is Transform Boundaries?
300

These are the 3 types of volcanoes.

What are cinder cone, composite, and shield volcanoes.

400
Term for the continents slow movement on Earth's surface
What is Continental Drift?
400
Transform boundaries usually cause these
What are Earthquakes?
400
Two continental plates separating will create this
What is a Rift Valley?
500

When one plate slides under another due to the different types of density.

What is Subduction

500
In the mid-1960s, geologists combined all they knew about plates into a single _____________
What is Theory?
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