Unit 7 Bell Work Day 1

Front

What is the thinnest, least dense, and most brittle layer of the Earth?

Back

Crust

Front

What are the two types of crust?

Back

Oceanic crust and Continental crust

Front

What is the liquid portion at the center of the Earth?

Back

Outer Core

Front

What two layers make up the lithosphere?

Back

Crust and Uppermost Mantle

Front

Which layer of the Earth has the coolest temperatures?

Back

Crust

Front

What is the layer beneath the crust called?

Back

Mantle

Front

What is the innermost layer of the Earth?

Back

Inner Core

Front

What is the layer of the Earth that is solid and includes the crust and uppermost mantle?

Back

Lithosphere

Front

What is the layer of the Earth that is semi-fluid and allows tectonic plates to move?

Back

Asthenosphere

Front

What is the primary component of the outer core?

Back

Liquid iron and nickel