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Structure of Earth

Total questions: 20

Worksheet time: 18mins

Name
Class
Date
1.

What layer is the number 1?

a)

Inner core

b)

Outer core

c)

Crust

d)

Mantle

2.

What layer is the number 2?

a)

Inner core

b)

Outer core

c)

Mantle

d)

Crust

3.

What layer is the number 3?

a)

Inner core

b)

Outer core

c)

Lower mantle

d)

Crust

4.

What layer is the number 4?

a)

Inner core

b)

Outer core

c)

Crust

d)

Upper mantle

5.

What layer is the number 5

a)

Inner core

b)

Crust

6.

What layer is the hottest?

a)

Inner core

b)

Crust

7.

From what layer do we extract rocks?

a)

Inner core

b)

Mantle

c)

Crust

d)

Outer core

8.

Do you think someone has reached to the inner core?

a)

True

b)

False

9.

Which layer is the thinnest?

a)

Inner core

b)

Outer core

c)

Crust

d)

Upper mantle

10.

What layer is liquid?

a)

Crust

b)

Outer core

11.

As you travel from the inner core toward the crust, how would temperature, pressure and density of the material change?

a)

They would all increase

b)

They would all decrease.

c)

They would stay the same.

d)

Temperature would decrease, but pressure and density would increase.

12.
This layer of Earth is the thickest part
a)
crust
b)
outer core
c)
mantle
d)
inner core
13.
Which layer of the Earth is liquid iron?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
14.

What happens to the amount of pressure as you go deeper into the layers of the Earth?

a)

increases

b)

decreases

15.
Which layer of the earth has the lowest temperature?
a)
Crust
b)
Mantle
c)
Outer Core
d)
Inner Core
16.

Why do scientists think that earth's inner core is solid?

a)

High temperatures

b)

High amounts of metal

c)

High Pressures

d)

Low temperatures

17.
Which two metals are thought to be found in the core?
a)
iron and steel
b)
iron and nickel
c)
gold and silver
d)

iron and aluminum

18.

Magma is formed in the

a)

Inner core

b)

Mantle

c)

Outer core

d)

Stratosphere

19.

4 What things are in volcanoes?

a)

1. Lava 

b)

2.Water 

c)

3.Mud

20.

9  What is the name for the lava underground?

a)

1.magma   

b)

  2.firewater