Dynamic earth review

Front

What is the process in which the oceanic crust creates an ocean trench and is pushed back into the mantle?

Back

Subduction

Front

What is the name of the process that continually adds new rock at the Mid Ocean Ridges and pushes old rock out, making an ocean larger?

Back

Sea Floor Spreading

Front

What is the theorized force that moves the plates? Options: Subduction, Sea Floor Spreading, Convection, Mid Ocean Ridge

Back

Convection

Front

This is a diagram of the Mid Atlantic Ridge. What type of plate boundary is the Mid Atlantic Ridge?

Back

Divergent

Front

Which of the following occurs because of convection current? Tectonic plates on the crust move. Pressure in the crust increases. The mantle increases in size. Pressure in the crust decreases.

Back

Tectonic plates on the crust move.

Front

How is it possible for new crust to be formed without increasing the surface area of the Earth?

Back

Crust is destroyed at the same time it is created

Front

What type of boundary is this? Options: Divergent, Convergent, Transform

Back

Convergent

Front

Two plates slide past each other at what boundary?

Back

Transform

Front

A divergent boundary in the ocean creates what feature?

Back

Mid Ocean Ridge

Front

What is the only event associated with transform boundaries?

Back

Earthquakes