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Earth's Atmospheric Layers Review

Total questions: 50

Worksheet time: 38mins

Name
Class
Date
1.

The mixture of gases that surrounds Earth is the ______________.

a)

atmosphere

b)

stratosphere

2.

Which layer of the atmosphere do we live in?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

3.

Which atmosphere layer contains the Aurora Borealis?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

4.

Which atmosphere layer protects living things from the Sun's UV radiation?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Stratosphere

5.

In which atmosphere layer does weather occur?

a)

Exosphere

b)

Troposphere

c)

Mesosphere

d)

Stratosphere

6.

Generally, as altitude increases, what happens to air pressure?

a)

It increases.

b)

It decreases.

c)

It stays the same.

d)

It changes within each atmosphere layer.

7.
Why is Earth's atmosphere important?
a)
It prevents pollution from happening.
b)
Life on Earth could not exist without it.
8.
The two most abundant gases in the atmosphere are
a)
carbon dioxide and oxygen
b)
carbon dioxide and nitrogen
c)
nitrogen and oxygen
d)
nitrogen and hydrogen
9.
The layers of the atmosphere are classified according to changes in
a)
altitude
b)
density
c)
pressure
d)
temperature
10.
The ozone layer protects living things on Earth from
a)
visible light
b)
UV radiation
c)
carbon dioxide
11.
Which layer protects Earth from being hit by most meteors?
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
12.

The ________ layer is considered outer space.

a)

Stratosphere

b)

Mesosphere

c)

Thermosphere

d)

Exosphere

13.

In which layer do meteors or "shooting stars" burn up in?

a)

Exosphere

b)

Mesosphere

c)

Stratosphere

14.

What layer of the atmosphere do humans live in?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

15.

Air is made up mostly of -

a)

Carbon Dioxide and Nitrous

b)

Methane gas and air vapor

c)

Oxygen and Carbon Monoxide

d)

Oxygen and Nitrogen

16.

Where would I find satellites orbiting?

a)

Exosphere

b)

Thermosphere

c)

Mesosphere

d)

Stratosphere

e)

Troposphere

17.
Using this diagram, which layer of the atmosphere is closest to the earth?
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
18.
Which layer of the earth is the coldest layer.  The temperature decreases with altitude (height)
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
19.
As you go higher in the troposphere what happens to the air?
a)
it gets hotter and thinner
b)
it gets hotter and thicker 
c)
it gets colder and thinner
d)
it gets colder and thicker
20.

What things are in orbit in the Thermosphere?

a)

Satellites

b)

the moon

c)

asteroids

d)

Wall-e

21.
What does the earth's atmosphere do?
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
22.
As you go higher in the troposphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
23.
As you go higher in the stratosphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
24.
As you go higher in the thermosphere, the temperature _______________.
a)
decreases
b)
increases
c)
stays the same
25.
Two gases that make up 99% of Earth's atmosphere
a)
carbon dioxide & oxygen
b)
nitrogen & carbon dioxide
c)
nitrogen & oxygen
d)
nitrogen & water vapor
26.

What does "Tropo" mean?

a)

weather

b)

change

c)

layer

d)

HEYYY

27.

What does "Strato" mean?

a)

change

b)

cold

c)

layers

d)

heat

28.

What does "Meso" mean?

a)

cold

b)

middle

c)

change

d)

heat

29.

What does "Thermo" mean?

a)

cold

b)

heat

c)

layers

d)

change

30.

What does "Exo" mean?

a)

outside

b)

inside

c)

heat

d)

Water

31.

Which layer of the atmosphere has the international space station in it?

a)

Thermosphere

b)

Stratosphere

c)

Mesosphere

d)

Exosphere

e)

Troposphere

32.

What is layer 4 called?

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

33.

What is layer 2 called?

a)

stratosphere

b)

troposphere

c)

exosphere

d)

mesosphere

34.

The ____________ is where most airplanes fly.

a)

troposphere

b)

exosphere

c)

atmosphere

d)

stratosphere

35.

a gas formed when sunlight hits oxygen molecules

a)

atmosphere

b)

microburst

c)

jet stream

d)

ozone

36.

Contains the Ozone Layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

37.

Where ALL weather takes place.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

38.

Located CLOSEST to Earth's surface.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

39.

Coldest layer.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

40.

Hottest layer, thinnest air.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

41.

Greatest air pressure because it has the most molecules.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

42.

Auroras and Northern Lights occur here.

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

e)

All of the above.

43.
Layer of the atmosphere most important to a meteorologist:
a)
troposphere
b)
stratosphere
c)
mesosphere
d)
thermosphere
44.

According to this graph, which two layers are warmer at lower altitude and get steadily colder as altitude increases?

a)

Troposphere and Mesosphere

b)

Stratosphere and Thermosphere

c)

Mesosphere and Thermosphere

d)

Troposphere and Stratosphere

45.
In which layer can ions be found in large numbers?
a)
Stratosphere 
b)
Mesosphere
c)
Exosphere
d)
Ionosphere
46.

The exosphere is: (Choose all that apply!!)

a)

5th layer of the atmosphere

b)

layer with the least amount of pressure

c)

layer that extends into outer space

d)

hottest layer

47.

The mesosphere is: (Choose all that apply!!)

a)

"middle" protects the Earth from meteores

b)

31-50 miles above Earth's surface

c)

layer of the atmosphere immediately above the stratosphere

d)

contains a large portion of low-Earth orbiting satellites

48.

The stratosphere is: (Choose all that apply!!)

a)

the ozone layer is located here

b)

planes fly in the lower part of this sphere

c)

layer of the atmosphere immediately above the troposphere

d)

protects the Earth from ultraviolet radiation

49.

The troposphere is: (Choose all that apply!!)

a)

the layer people live in

b)

where weather occurs

c)

the temperature decreases the higher you go

d)

this layer contains a large portion of low-Earth orbiting satellites

50.

The Montreal Treaty made CFCs illegal to help reduce the holes in the ____________ layer

a)

Troposphere

b)

Mesosphere

c)

Ozone

d)

Exosphere