(Tue) Flashcardizz: Earth's Interior

Front

What is the theory of continental drift?

Back

The theory that continents were once joined together and have since drifted apart.

Front

What are tectonic plates?

Back

The large, rigid pieces of the Earth's crust that move and interact with each other.

Front

What evidence supports the theory of continental drift?

Back

Fossils and rocks found on different continents that are similar.

Front

What is the Earth's crust made of?

Back

Solid rock.

Front

Which layer of the Earth is solid?

Back

Inner core.

Front

What is Pangaea?

Back

A supercontinent that existed about 250 million years ago.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener.

Front

What happens at tectonic plate boundaries?

Back

Plates can collide, pull apart, or slide past each other, causing earthquakes and volcanic activity.

Front

What is the outer core made of?

Back

Liquid rock.

Front

What is the significance of mesosaurus fossils found in South America and Africa?

Back

They provide evidence that these continents were once connected.