(Tue) Flashcardizz: Earth's Interior

Front

What is the theory that explains how continents were once joined together?

Back

The theory of continental drift.

Front

What evidence supports the theory of continental drift?

Back

Glacial grooves found on different continents.

Front

What is Pangaea?

Back

A supercontinent that existed about 250 million years ago, where all continents were joined.

Front

Which layer of the Earth is the thinnest and most brittle?

Back

The Crust.

Front

What do we live on?

Back

The Crust.

Front

What type of evidence was found to support the idea that continents were once connected?

Back

Fossilized evidence of the same organism found on different continents.

Front

What are glacial grooves?

Back

Scratches or grooves cut into rock by glacial movement, indicating past glacial activity.

Front

Who proposed the theory of continental drift?

Back

Alfred Wegener.

Front

What is the Mantle?

Back

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

Front

What is the Inner Core?

Back

The solid innermost layer of the Earth, composed mainly of iron and nickel.