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Four Layers of the Earth

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

A student uses clay to construct a model of Earth. Which layer of the model should be the thinnest layer?

a)

the layer representing the mantle

b)

the layer representing the outer core

c)

the layer representing the inner core

d)

the layer representing the crust

2.

What layer of the Earth do we live on?

a)

mantle

b)

inner core

c)

crust

d)

outer core

3.

What layer of the Earth is labeled A?

a)

inner core

b)

outer core

c)

mantle

d)

crust

4.

Which layer is made (mostly) of LIQUID iron and nickel?

a)

crust

b)

mantle

c)

outer core

d)

inner core

5.

Which layer of the earth is the hottest?

a)

crust

b)

mantle

c)

outer core

d)

inner core

6.

What is the correct order (starting from the surface) of Earth's layers?

a)

crust, outer core, inner core, mantle

b)

mantle, outer core, inner core, crust

c)

crust, mantle, outer core, inner core

d)

outer core, inner core, crust, mantle

7.

What is the name of the layer 1

a)

inner core

b)

outer core

c)

crust

d)

mantle

8.

What is the name of the layer 2

a)

Inner core

b)

outer core

c)

mantle

d)

crust

9.

What is the name of the layer 3

a)

Inner core

b)

outer core

c)

crust

d)

Mantle

10.

What is the name of the layer 4

a)

inner core

b)

outer core

c)

Mantle

d)

Crust

11.

Where is the Earth's crust the thickest?

a)

below the continents

b)

beneath the oceans

c)

below the equator

d)

below the North Pole

12.

Which layers of the Earth are made mostly of metals?

a)

The crust and outer core

b)

The mantle and the crust

c)

inner core and outer core

d)

outer core and the mantle

13.

True or False: The inner core of the Earth is made of liquid iron and nickel.

a)

True

b)

False

14.

The Earth's mantle lies directly below the inner core.

a)

True

b)

False

15.

How many layers of the Earth are there?

a)

1

b)

2

c)

3

d)

4

16.
What is the thickest layer of the Earth?
a)
the crust
b)
the mantle
c)
the outer core
d)
the inner core
17.
What is the core made of?
a)
steel
b)
iron 
c)
aluminum
d)
iron and nickel
18.
What describes the outer core?
a)
solid
b)
liquid
c)
viscous
d)
gas
19.
Which layer of the Earth is the only liquid layer?
a)
Outer Core
b)
Inner Core
c)
Mantle
d)
Lithosphere
20.
What happens to temperature as we move from the crust to the inner core?
a)
Decreases
b)
Increases
c)
Nothing
21.
Which layer of Earth has the GREATEST density?
a)
crust
b)
mantle
c)
outer core
d)
inner core
22.

Which layer is shown in red?

a)

crust

b)

mantle

c)

outer core

d)

inner core

23.

Which layer is shown in orange?

a)

crust

b)

mantle

c)

outer core

d)

inner core

24.

Which layer is shown in yellow?

a)

crust

b)

mantle

c)

outer core

d)

inner core

25.

Which layer is shown in brown?

a)

crust

b)

mantle

c)

outer core

d)

inner core