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Earth's Structure

Total questions: 25

Worksheet time: 25mins

Name
Class
Date
1.

What are earth's three main layers?

a)

Core, mantle, and surface

b)

Core, mantle, and crust

c)

Inner core, outer core, and mantle

d)

Upper mantle, lower mantle, and crust

2.

What layer of the Earth is liquid?

a)

Mantle

b)

Outer Core

c)

Inner Core

d)

Crust

3.

Which layer of the Earth includes the ocean floor?

a)

mantle

b)

outer core

c)

crust

d)

inner core

4.

The thickest layer of the Earth that contains hot solid rock is called __________?

a)

Core

b)

Mantle

c)

Magma

d)

Crust

5.
Question Image

Match the following characteristics with their correct Earth layer.

a)

Thin, rigid outermost layer of Earth.

1.

crust

b)

Hot layer of rock between Earth's crust and core.

2.

mantle

c)

Earth's centermost layer. Extremely dense and hot.

3.

core

6.
Question Image

Match the following.

a)

Thinnest Layer of Earth. Has oceanic and continental types.

1.

Crust

b)

This layer has convection currents and is full of semi-solid rock.

2.

Mantle

c)

Composed of liquid metals such as Nickel and Iron.

3.

Outer Core

d)

Solid metal center as hot as the surface of the sun. Also made up of Nickel and Iron

4.

Inner Core

7.
Question Image

Match the following words to its composition.

a)

crust

1.

silicon

b)

mantle

2.

silicon

c)

outer core

3.

iron and nickel

d)

inner core

4.

iron and nickel

8.

Identify the different types of crust and the names of the lower crust.

9.

Label the compositional layers on the picture.

10.

What are the 4 main layers of the Earth?

11.

Which layer of the Earth is the hottest?

12.

Identify the different layers

13.

Label the Layers of the Earth

14.

What is the mantle made of?

a)

liquid nickel and iron

b)

solid iron and nickel

c)

cold rock

d)

hot rock that can bend

15.

Identify C

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

16.

Identify A

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

17.

Identify D

a)

Crust

b)

Mantle

c)

Outer Core

d)

Inner Core

18.

How deep would you have to drill to reach the center of the earth?

a)

About 60,000 kilometers

b)

About 600,000 kilometers

c)

About 600 kilometers

d)

About 6,000 kilometers

19.

Which of the following statements about the Earth's inner core is TRUE?

a)

It's mostly made of iron

b)

It's mostly made of nickel

c)

It's mostly made of cadmium

d)

It's mostly made of magnesium

20.

Where is the earth's crust the thickest?

a)
b)
c)
d)
21.

What about seismic waves reveal the structure of Earth?

a)

speed and path

b)

size and weight

c)

speed and size

d)

size and path

22.

What is the outermost layer of the Earth called?

a)

Crust

b)

Mantle

c)

Core

d)

Lithosphere

23.

Which layer of the Earth is composed mostly of liquid iron and nickel?

a)

Inner Core

b)

Outer Core

c)

Mantle

d)

Crust

24.

What is the primary method scientists use to study the Earth's interior?

a)

Drilling deep holes

b)

Studying seismic waves

c)

Using satellite imagery

d)

Observing volcanic eruptions

25.

Which of the following best describes the Earth's mantle?

a)

A solid layer that flows slowly

b)

A liquid layer that flows quickly

c)

A gaseous layer that is static

d)

A solid layer that is completely rigid