Plate Tectonics

Front

What is the name of the feature created when molten material rises from the mantle through a rift on to the ocean floor and solidifies?

Back

Ocean ridge

Front

The process in which a plate sinks beneath another plate is known as _______

Back

subduction.

Front

Which of the following created the Hawaiian Islands? Divergent boundary, Sea floor spreading, Hot spot, Ocean rift

Back

Hot spot

Front

The ___________ theory states that pieces of Earth’s lithosphere are in constant, slow motion.

Back

continental drift

Front

A type of boundary in which two plates slip past each other horizontally, moving in opposite directions, is known as a

Back

transform boundary.

Front

An area where two plates move towards each other is known as a ________________

Back

convergent boundary.

Front

This is a picture of sea-floor spreading. How are the tectonic plates moving?

Back

Diverging

Front

Type of force experienced when two plates slide past each other

Back

Shear

Front

The type of stress experienced when two plates move away from each other is called

Back

tensional.

Front

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

Back

Old crust is recycled in the mantle, forming new crust.