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Vocabulary
Continental Drift Theory/plate movement
Plate Tectonics
Miscellaneous
Features
100
The thinnest layer of the Earth
What is the crust
100
Continental Drift Theory was not accepted because it did not explain this
What is how the continents moved
100

The theory of plate tectonics provides the current explanation for the way in which

Continents move

100
The Himalayan mountains are the result of a ___________________________ boundary.
What is convergent boundary
100

The Mariana Trench is the deepest ocean trench on Earth. This trench occurs at what plate boundary?

Convergent!

200
A number of rigid, but moving, pieces of Earth's surface
What is tectonic plates.
200


What will happen when oceanic and continental plates collide? Why?

The Oceanic plate will sink because it is denser than Continental Crust

200
This is the mechanism (what causes) the plates to move
What is convection cycles in the mantle
200

The largest of the ocean basins, which currently covers more than half of the ocean surface, is the:

Pacific Ocean

200

The two types of features happen at convergent boundaries

What is subduction (where volcanoes often occur) and collision (where mountains are usually formed)

300
The theory that all continents are fragments of Pangaea now drifting apart
What is the Continental Drift Theory
300

Which geologic feature is most likely formed from converging plate boundaries?

Volcanoes/Volcanic Islands

300

The interior of Earth is made up of several physically different layers. The solid layer of Earth that moves over a viscous layer is called the

Crust

300
The San Andreas Fault in California is an example of a ____________________ boundary.
What is a transform boundary
300

Which of these geologic features results from tectonic plates slowly moving over a hot spot. 

Islands and volcanoes!

400

This states that youngest rocks of ocean floor are at divergent boundaries, moving outward. ______ Spreading

What is seafloor spreading

400

What reason causes frequent earthquakes along the San Andreas Fault?

The Sliding of two plates against each other and the build up of stress at a plate boundary.

400
The mid-ocean ridge is an example of a ____________________ boundary and ___________________ occurs here where new ocean floor is formed.
What is divergent boundary; sea-floor spreading
400

Divergent tectonic plate boundaries most commonly form

Ocean Ridges

400

Which of tectonic plate boundaries is most likely to form a volcano? be specific (Oceanic/continental plate and type of boundary)

Oceanic converging with continental.

500

This word means one plate is sinking under another

What is the subduction

500

Oceanic crust is youngest where and older where?

Youngest at the mid-atlantic ridge and oldest where it meets continental crust.

500

During subduction, one tectonic plate is forced below another. The subducting plate is forced into the

What is the asthenosphere.

500

Compare and contrast the three different types of convergent boundaries.

Varied responses accepted

500

Between 40 and 50 million years ago, the landmass on the Indian Plate collided with the landmass on the Eurasian Plate. What formed when these landmasses collided?

the Himalayan Mountains