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Structure & Composition of the Earth

Total questions: 36

Worksheet time: 20mins

Name
Class
Date
1.
Where you will find the ozone layer.
a)
stratosphere
b)
thermosphere
c)
exosphere
d)
mesosphere
2.

In which layer does weather occur?

a)

stratosphere

b)

thermosphere

c)

troposphere

d)

mesosphere

3.
The only layer that contains water vapor and carbon dioxide.
a)
stratosphere
b)
thermosphere
c)
troposphere
d)
mesosphere
4.

The layer of the atmosphere where we live.

a)

stratosphere

b)

thermosphere

c)

troposphere

d)

mesosphere

5.
The most common gas in the atmosphere (78%).
a)
Nitrogen
b)
Oxygen
c)
Carbon Dioxide
d)
Trace gases
6.
What two gases are found throughout all layers of the atmosphere?
a)
Nitrogen and carbon dioxide
b)
Nitrogen and oxygen
c)
Oxygen and carbon dioxide
d)
Trace gases and water vapor
7.

From the list below, what option best describes one of the purposes of the Earth's atmosphere?

a)

help to regulate the temperature on Earth

b)

Help UV rays to reach the Earth's surface

c)

Creates meteors in the sky

d)

Keep ocean waters cold

8.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
9.
As you go higher in the stratosphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
10.

In the Mesosphere, temperature _______________ with an increase in altitude or height.

a)

decreases

b)

increases

c)

stays the same

11.

In the Thermosphere, temperature _______________ with an increase in altitude or height.

a)

decreases

b)

increases

c)

stays the same

12.
What gas is important for weather to occur in the troposphere?
a)
Argon
b)
water vapor (H2O)
c)
nitrogen (N)
d)
trace gases
13.
What is the function of the ozone layer?
a)
to allow UV rays to get to Earth
b)
to block UV rays from getting to Earth
c)
To keep oxygen in
d)
to allow meteors to get to Earth
14.

In which layer of the Earth's atmosphere would one find clouds?

a)

thermosphere

b)

stratosphere

c)

troposphere

d)

ionosphere

15.

Which of these layers are closest to the surface of the Earth?

a)

thermosphere

b)

stratosphere

c)

mesosphere

16.

Which of these layers are farthest from the surface of the Earth?

a)

thermosphere

b)

stratosphere

c)

mesosphere

17.

Which gas makes up the largest portion of air?

a)

oxygen

b)

nitrogen

c)

carbon dioxide

d)

methane

18.

What protects the earth from harmful UV rays from the sun?

a)

clouds

b)

ionosphere

c)

nitrogen gases

d)

the ozone

19.

The stratosphere is the atmospheric layer above the __________.

a)

troposphere

b)

thermosphere

c)

mesosphere

20.
What is the second most abundant gas in Earth's atmosphere?
a)
Nitrogen
b)
Oxygen
c)
Carbon dioxide
d)
Methane
21.
_______________rises at the equator and _______________ sinks at the poles.
a)
Cold, wet air......warm, dry air
b)
Cold, dry air.......warm, moist air
c)
Warm, moist air......cooler, drier air
d)
Warm, dry air.......cooler, moist air
22.

What is a true fact about the mesosphere?

a)

it is the hottest layer

b)

meteors burn up in this layer

c)

the ozone layer is found in this layer

d)

Northern Lights occur in this region

23.

As a result of higher temperatures, in a ________ air mass, air molecules spread out and take up more space.

a)

cold

b)

warm

24.

Which of Earth’s spheres is composed primarily of gases?

a)

the Atmosphere

b)

the Asthenosphere

c)

the Hydrosphere

d)

the Biosphere

25.

Earth’s atmosphere can be layered based upon which factor?

a)

temperature

b)

pressure

c)

density

d)

mass

26.

Which layer of the atmosphere has no well-defined upper limit?

a)

the Thermosphere

b)

the Troposphere

c)

the Mesosphere

d)

the Stratosphere

27.

Which of the following is NOT a function of the atmosphere?

a)

Protection from UV rays

b)

Creates sunlight

c)

Traps in heat

28.

How is the atmosphere of earth like a jacket

a)

It keeps our planet warm from the coldness of space

b)

It cools the planet down

c)

the earth supports plant life

d)

The atmosphere allows in heat but traps light

29.

Which would correctly fill in the chart for X,Y, and Z?

a)

X- Nitrogen

Y- Carbon Dioxide

Z- Oxygen

b)

X- Carbon Dioxide

Y-Oxygen

Z-Nitrogen

30.

True or False


Although the sun is the source of energy for heating the atmosphere, it is mainly the Earth that heats the atmosphere, through means of terrestrial radiation.

a)

True

b)

False

31.

Choose the correct answer from the list provided.


There is a thin layer of gases that surround the Earth, we call this layer the _______.

a)

Atmosphere

b)

Greenhouse Gases

32.

True or False.


The Stratosphere can be described as a layer in the Earth's atmosphere that contains the ozone layer.

a)

True

b)

False

33.

Arrange the layers of the atmosphere STARTING FROM the layer closest to the surface of the Earth.

a)
  1. Stratosphere
  2. Troposphere
  3. Mesosphere
  4. Thermosphere
b)
  1. Thermosphere
  2. Mesosphere
  3. Stratosphere
  4. Troposphere
c)
  1. Mesosphere
  2. Troposphere
  3. Stratosphere
  4. Thermosphere
d)
  1. Troposphere
  2. Stratosphere
  3. Mesosphere
  4. Thermosphere
34.

True or False.


Latitude can be described as an imaginary axis that divides the earth into two hemispheres from West to East.

a)

True

b)

False

35.

True or False. The Earth lies on an imaginary axis that is at a tilt of 23.5 degrees from the perpendicular.

a)

True

b)

False

36.

True or False.


A positive lapse rate can be defined as the process that occurs in which temperature increases with height.

a)

True

b)

False