C2 4.1 The Earth and its Atmosphere

Question 1

What is the innermost part of the Earth called?

Answer 1

Inner core

Question 2

What is the layer of the Earth under the crust called?

Answer 2

The mantle

Question 3

What state is the outer core?

Answer 3

Liquid

Question 4

What state is the inner core?

Answer 4

Solid

Question 5

Name the four layers of the Earth

Answer 5

Crust, mantle, outer core, inner core

Question 6

What is the most common element in the Earth’s crust?

Answer 6

Oxygen

Question 7

What is the atmosphere?

Answer 7

A mixture of gases that surrounds the Earth

Question 8

What is the part of the atmosphere closest to the Earth called?

Answer 8

The troposphere

Question 9

Which two elements make up most of the troposphere?

Answer 9

Oxygen and nitrogen

Question 10

The substances in the mantle are mainly in the _____ state

Answer 10

The substances in the mantle are mainly in the solid state

Question 11

Can substances in the mantle flow?

Answer 11

Yes

Question 12

Which layer of the Earth is 8km-40km thick?

Answer 12

The crust

Question 13

What is the outermost part of the Earth called?

Answer 13

The crust