Unit 7 Bell Work Day 1

Front

Which layer of the Earth has the coolest temperatures?

Back

Crust

Front

What are the two types of crust?

Back

Oceanic crust and continental crust.

Front

What happens to temperature and pressure as we move downward into the Earth?

Back

Both temperature and pressure increase.

Front

Which layer is the thinnest, least dense, and most brittle?

Back

Crust

Front

What two layers make up the lithosphere?

Back

Crust and uppermost mantle.

Front

What is the outer core primarily made of?

Back

Liquid iron and nickel.

Front

What is the main characteristic of the inner core?

Back

It is solid and extremely hot.

Front

How does the density of the crust compare to the mantle?

Back

The crust is less dense than the mantle.

Front

What is the primary composition of the mantle?

Back

Silicate minerals.

Front

What is the difference between oceanic crust and continental crust?

Back

Oceanic crust is thinner and denser than continental crust.