Layers of the Earth Scavenger Hunt

GO TO- Fact Card #1

Earth is made up of a number of

layers. The four main layers of the

earth are:

GO TO- Fact Card #2

The crust is the thin outer layer of

the Earth where we (a)   . It is thin

relative to the other layers.

GO TO- Fact Card #3

Crust thickness varies. Under (a)   it can be as thick as 60

km and less than 5 km under the

ocean. It is made up of silicon and

oxygen.

GO TO- Fact Card # 4

What is the difference between continental and oceanic crust?

GO TO- FACT CARD # 5

The continental crust is made up of

rocks that consist primarily of (a)  

and alumina called the "sial“ with

other content.

GO TO- Fact Card #6

Where is the mantle located?

"The mantle is located _____ the _____."

GO TO- Fact Card #7

Mantle is made up of slightly

different silicate rocks with more

magnesium and iron.

(a)   increases with depth due

to increase in pressure.

GO TO- Fact Card #8

MANTLE: Divided into 2 parts such

as _____ ______ and _____ ______

GO TO- FACT CARD #9

(a)   : This is the “crunchy”

layer of the Earth. It includes the

crust and the very uppermost part

of the upper Mantle.

GO TO- FACT CARD #10

(a)   : It is a layer (soft

and can bend like plastic) in the

upper portion of the mantle. It is

located right below the

Lithosphere.