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The System and Structure of the Earth (1O)

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

The Earth system consists of _______ main components which are interconnected.

a)

1

b)

2

c)

3

d)

4

2.

_________ is a zone that includes rivers, lakes, seas and also water trapped as ice, underground water and and water vapour in the atmosphere

a)

Atmosphere

b)

Hydrosphere

c)

Geosphere

d)

Biosphere

3.

Zone that covering the Earth’s surface is called _________

a)

Hydrosphere

b)

Atmosphere

c)

Geosphere

d)

Biosphere

4.

Geosphere is a rock and soil zone on the Earth's surface.

a)

TRUE

b)

FALSE

5.

Earth's atmosphere consists of _______ layers

a)

2

b)

3

c)

4

d)

5

6.

The layer where living organism breathes, wind blows and where clouds, rain and snow form

a)

Exosphere

b)

Thermosphere

c)

Troposphere

d)

Stratosphere

7.

-Aircraft flights stable in this layer

-Ozone layer (absorb harmful ultraviolet) is found here, deplete when CFC break it down

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Exosphere

8.

Burning and destruction of meteorites occur in this layer

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

9.

-Also known as ionosphere

-Aurora occurs here

a)

Exosphere

b)

Thermosphere

c)

Mesosphere

d)

Stratosphere

10.

-Contains light gas (He, H2)

-Communications satellite orbiting earth in this layer

a)

Troposphere

b)

Mesosphere

c)

Exosphere

d)

Stratosphere

11.

The ocean stratification can be divided into ............

a)

Surface zone

b)

Midnight zone

c)

Deep zone

d)

Dark zone

12.

In this zone, water is very shallow and light can penetrate. It is suitable as a habitat for plants

a)

Dark zone

b)

Midnight zone

c)

Surface zone

13.

Midnight zone is very deep and no light can reach it. Most animals in this zone have shimmering bodies or able to glow in the dark.

a)

TRUE

b)

FALSE

14.

This layer consists of three components namely lithosphere, asthenosphere and mesosphere. What is the layer of Earth referred above?

a)

Crust

b)

Mantel

c)

Inner core

d)

Outer core

15.

Which of the following are the reasons why Earth is a living place for organisms?

a)

Existence of technology

b)

Presence of water and soil

c)

Free from pollution

d)

Not too hot or too cold temperature