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Atmosphere and Water Cycle Practice

Total questions: 25

Worksheet time: 23mins

Name
Class
Date
1.
Which gas in our atmosphere is most abundant?
a)
Argon
b)
Oxygen
c)
Nitrogen
d)
Carbon Dioxide
2.
The air in the troposphere has a greater density than the air in any other layer of the atmosphere,
a)
True
b)
False
3.
What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?
a)
1%
b)
21%
c)
78%
d)
90%
4.
What is the percentage of oxygen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
5.
What is the percentage of nitrogen in Earth's atmosphere?
a)
1%
b)
21%
c)
78%
d)
90%
6.
In which layer of the atmosphere does weather occur?
a)
Mesosphere
b)
Thermosphere
c)
Stratosphere
d)
Troposphere
7.
What decreases as you go up in the atmosphere?
a)
Altitude
b)
Atmosphere
c)
Meteors
d)
Air Pressure
8.
What are the 2 most abundant gases in Earth's atmosphere?
a)
carbon dioxide and oxygen
b)
carbon dioxide and nitrogen
c)
nitrogen and oxygen
d)
nitrogen and hydrogen 
9.
Which of the following is the correct order of the atmosphere layers from Earth to space?
a)
troposphere, stratosphere, mesosphere, thermosphere, exosphere
b)
troposphere, mesosphere, thermosphere, exosphere, stratosphere
c)
thermosphere, stratosphere, mesosphere, troposphere, exosphere
d)
troposphere, stratosphere, mesosphere, exosphere, thermosphere
10.
The density of our atmosphere _____________ with an increase in altitude.
a)
Increases
b)
Gets greater
c)
Decreases
d)
Gets heavier
11.
Which layer of the atmosphere do most satellites orbit the Earth?
a)
Stratosphere
b)
Mesosphere
c)
Exosphere
d)
Ionosphere
12.
Which layer of the atmosphere contains the ozone layer? 
a)
Mesosphere
b)
Stratosphere
c)
Ionosphere
d)
Exosphere
13.

Which layer has the hottest molecules?

a)

Thermosphere

b)

Mesosphere

c)

Exosphere

d)

Stratosphere

14.
Which layer contains the ionosphere, a layer of charged particles, that interact with solar winds to cause the auroras?
a)
Exosphere
b)
Stratosphere
c)
Thermosphere
d)
Mesosphere
15.
Which layer protects humans from most of the harmful UV radiation received from the sun?
a)
Clouds
b)
Exosphere
c)
Ionosphere
d)
Ozone Layer
16.

The layers of the atmosphere are calssified according to changes in

a)

temperature

b)

altitude

c)

humidity

d)

air pressure

17.

What part of the water cycle does this picture show?

a)

condensation

b)

precipitation

c)

evaporation

d)

infiltration

18.
What is the energy source for the water cycle?
a)
the sun
b)
the earth
c)
water
d)
the moon
19.
Which best explains why runoff is important?
a)
It returns water to other locations on Earth
b)
It increases the chance of flooding
c)
It makes evaporation occur faster
d)
It increases condensation
20.
Which stages does liquid water from the ocean turn into water vapor?
a)
condesantion
b)
evaporation
c)
precipitation
d)
run off
21.
Which stage does ground water try to return to the ocean or soak into the ground?
a)
condensation
b)
evaporation
c)
precipitation
d)
run off
22.

Which would be the correct order of events in the water cycle?

a)

condensation, precipitation, evaporation, runoff

b)

evaporation, condensation, precipitation, runoff

c)

precipitation, condensation, evaporation runoff

d)

run off, condensation, evaporation, precipitation

23.

Clouds are what phase of matter?

a)

soids

b)

liquid

c)

gas

d)

plasma

24.

Most of Earth's freshwater is found in

a)

lakes

b)

oceans

c)

groundwater

d)

ice caps and glaciers

25.

Weather occurs in which layer of the atmosphere?

a)

troposphere

b)

statosphere

c)

mesosphere

d)

thermosphere