Earth's Layers: Interactive Quizzes for Year 3 Science

Question 1

Which layer of the Earth is extremely hot and is made up of mostly iron and nickel?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 2

Which of the following is NOT a property of the Earth's core?

Accepted Answer

Cool

Answer

Solid

Answer

Dense

Question 3

What material makes up most of the Earth's mantle?

Accepted Answer

Silicon and oxygen

Answer

Iron

Answer

Carbon dioxide

Question 4

Which part of the Earth creates and maintains the magnetic field that protects us?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 5

How do mining and digging impact the Earth's layers?

Accepted Answer

They can alter or remove layers.

Answer

They strengthen the layers.

Answer

They have no effect on the layers.

Answer

They make the Earth rounder.

Question 6

How does the Earth's core protect life on our planet?

Accepted Answer

By creating the Earth's magnetic field

Answer

By keeping the Earth warm

Answer

By containing all of the Earth's water

Answer

By supporting the Earth's crust

Question 7

Which part of the Earth is the rocky layer on the outside?

Accepted Answer

Crust

Answer

Core

Answer

Mantle

Answer

Atmosphere

Question 8

Which part of the Earth is hard and has rocks and soil on it?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Question 9

Which layer of the Earth is the warmest?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Answer

Atmosphere

Question 10

Which layer of the Earth is the most solid and thin?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Question 11

What is the name of the liquid layer that surrounds the Earth's solid inner core?

Accepted Answer

Outer core

Answer

Asthenosphere

Answer

Lithosphere

Question 12

Which layer of the Earth is the hottest?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 13

What is the name of the boundary between the crust and the mantle?

Accepted Answer

Moho

Answer

Gutenberg discontinuity

Answer

Asthenosphere

Question 14

Which layer of the Earth is responsible for the Earth's magnetic field?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 15

What is the name of the process by which new crust is created?

Accepted Answer

Seafloor spreading

Answer

Plate tectonics

Answer

Subduction

Question 16

Which of the following is NOT a type of rock that can be found in the Earth's crust?

Accepted Answer

Lava

Answer

Igneous

Answer

Metamorphic

Answer

Sedimentary

Question 17

Imagine the Earth is as small as a basketball. If this were true, how big would the crust be?

Accepted Answer

As small as a pea

Answer

As big as a tennis ball

Answer

As big as the basketball

Answer

As big as a house

Question 18

How does knowing about the Earth's layers help us find important resources like oil and gas?

Accepted Answer

It helps us find where oil and gas are hidden underground.

Answer

It tells us how to drill for oil and gas.

Answer

It helps us predict earthquakes.

Answer

It lets us measure the thickness of the Earth's crust.

Question 19

What is the name of the outermost layer of the Earth?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Question 20

What is the name for the solid, rocky layer that makes up the outermost part of the Earth?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Question 21

Which layer of the Earth is the thickest?

Accepted Answer

Mantle

Answer

Crust

Answer

Core

Question 22

What is the hottest layer of the Earth?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 23

Which of the following is NOT a characteristic of the crust?

Accepted Answer

It is made up of water.

Answer

It is solid.

Answer

It is the outermost layer.

Question 24

Which of the following is NOT a type of rock found in the Earth's crust?

Accepted Answer

Gas

Answer

Igneous

Answer

Sedimentary

Answer

Metamorphic

Question 25

What is the name for the boundary between the crust and the mantle?

Accepted Answer

Moho

Answer

Gutenberg discontinuity

Answer

Lehmann discontinuity

Question 26

Which layer of the Earth is the thickest and makes up most of the planet's mass?

Accepted Answer

Mantle

Answer

Crust

Answer

Core

Question 27

Which layer of the Earth is made up of solid rock and contains the continents and oceans?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Question 28

What is the name of the extremely hot, liquid layer that surrounds the Earth's solid inner core?

Accepted Answer

Outer Core

Answer

Mantle

Answer

Crust

Question 29

Which layer of the Earth is responsible for the Earth's magnetic field?

Accepted Answer

Outer Core

Answer

Crust

Answer

Mantle

Question 30

True or False: The Earth's crust is made up of the same materials as the Earth's mantle?

Accepted Answer

False

Answer

True

Question 31

What causes the movement of the Earth's plates?

Accepted Answer

Convection currents in the mantle

Answer

Rotation of the Earth

Answer

Gravitational pull of the moon

Question 32

Which layer of the Earth is the hottest and densest?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Answer

Atmosphere

Question 33

Which of the following is true about the mantle?

Accepted Answer

It is the thickest layer of the Earth.

Answer

It is made up of solid rock.

Answer

It is composed of molten rock.

Answer

It is responsible for the Earth's magnetic field.

Question 34

What is the name of the outermost layer of the Earth?

Accepted Answer

Crust

Answer

Mantle

Answer

Core

Answer

Atmosphere

Question 35

Which of the following is NOT a characteristic of the Earth's inner core?

Accepted Answer

Liquid

Answer

Solid

Answer

Dense

Answer

Hot

Question 36

Why is it difficult to study the layers inside the Earth?

Accepted Answer

We can't see through the ground.

Answer

The Earth's layers are too far away.

Answer

We don't have any tools to study them.

Answer

The Earth's layers are too hot.

Question 37

What separates the Earth's crust from the mantle?

Accepted Answer

Moho

Answer

Gutenberg discontinuity

Answer

Asthenosphere

Answer

Lithosphere

Question 38

What causes the Earth's magnetic field?

Accepted Answer

The spinning of the Earth's core

Answer

The movement of tectonic plates

Answer

The pull of the moon

Answer

The sun's radiation

Question 39

Which part of the Earth is the hottest and densest?

Accepted Answer

Core

Answer

Crust

Answer

Mantle

Question 40

Which layer of the Earth is the thickest by far?

Accepted Answer

Mantle

Answer

Outer core

Answer

Inner core

Answer

Crust

Question 41

What is the main solid material that makes up the Earth's crust?

Accepted Answer

Rock

Answer

Gas

Answer

Iron

Answer

Water

Question 42

Which layer of the Earth creates the Earth's magnetic field?

Accepted Answer

Outer core

Answer

Inner core

Answer

Mantle

Answer

Crust

Question 43

Approximately how hot is the Earth's center?

Accepted Answer

5,700 °C

Answer

2,500 °C

Answer

4,000 °C

Answer

1,000 °C

Question 44

What causes the Earth's tectonic plates to move?

Accepted Answer

Convection currents in the mantle

Answer

Spinning of the Earth

Answer

Gravity

Answer

Volcanic eruptions

Question 45

Which of these is the deepest layer of the Earth?

Accepted Answer

Inner core

Answer

Outer core

Answer

Crust

Answer

Mantle