Geology DCA Review

Front

What is a plate boundary?

Back

The place where two plates meet.

Front

What type of rock is formed when magma cools and hardens?

Back

Igneous.

Front

What is Earth's crust made up of?

Back

Earth's crust is made up of hard, solid rock.

Front

What happens to a less dense fluid in the mantle?

Back

It will rise.

Front

What occurs when plates move apart?

Back

Soft, solid rock from underneath the plates rises and hardens, adding new solid rock.

Front

What is magma?

Back

Magma is molten rock located beneath the Earth's surface.

Front

What is the difference between igneous and sedimentary rocks?

Back

Igneous rocks are formed from cooled magma, while sedimentary rocks are formed from the accumulation of sediments.

Front

What is the mantle?

Back

The mantle is the layer of the Earth between the crust and the core, composed of semi-solid rock.

Front

What is the lithosphere?

Back

The lithosphere is the rigid outer layer of the Earth, including the crust and the upper mantle.

Front

What is a tectonic plate?

Back

A tectonic plate is a massive slab of solid rock that makes up the Earth's lithosphere.