Tectonic Plate boundaries PPMS

Front

A ____________ boundary is a boundary between tectonic plates that are moving apart.

Back

divergent

Front

A ____________ boundary is a boundary between tectonic plates that are moving toward each other.

Back

convergent

Front

A ____________ boundary is a boundary between tectonic plates that are moving sideways, moving past each other.

Back

transform

Front

Most divergent boundaries occur along ____________, where sea floor spreading occurs.

Back

mid-ocean ridges

Front

New crust is added to Earth's surface at ____________.

Back

mid-ocean ridges

Front

Divergent boundaries that occur on land are called ____________.

Back

rift valleys

Front

When two plates collide at a convergent boundary, what happens next is determined by: the direction the plates are moving., the density of the crust., the distance from Earth's outer core.

Back

the density of the crust.

Front

What happens when two plates with continental crust collide at a convergent boundary?

Back

Both sections of crust are pushed upward, forming a tall mountain range.

Front

What happens when two plates with ocean crust collide at a convergent boundary?

Back

Both plates are pushed downward, forming a deep-ocean trench.

Front

What is a volcano?

Back

A mountain formed when molten magma reaches Earth's surface.