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The Spheres

Total questions: 33

Worksheet time: 36mins

Name
Class
Date
1.
Our atmosphere is very thin compared to the size of the Earth.
a)
True
b)
False
2.
 Air acts like a blanket that keeps the Earth warm.
a)
True
b)
False
3.
 The higher the altitude, the greater the air pressure. 
a)
True
b)
False
4.
The higher the altitude, the warmer the temperature.
a)
True
b)
False
5.
Our atmosphere acts like the glass in a greenhouse.
a)
True
b)
False
6.
Our _________ is the layer of gases that surrounds our planet.
a)
ocean
b)
weather
c)
atmosphere
d)
ozone
7.

In which layer of the atmosphere is the most water vapor found?

a)

thermosphere

b)

mesosphere

c)

troposphere

d)

stratosphere

8.

Which layer of the atmosphere would jets fly in to avoid a thunderstorm?

a)

troposphere

b)

thermosphere

c)

mesosphere

d)

stratosphere

9.

As altitude increases, air pressure....

a)

Increases

b)

Decreases

c)

Stays the same

d)

Goes up and down

10.

Why is the ozone layer vital to life on Earth?

a)

Planes fly in the ozone layer

b)

It is made up of oxygen (O2)

c)

It shields the Earth from ultraviolet (UV) rays from the sun

d)

It causes clouds to be created

11.

In which layer of the atmosphere do meteors burn up?

a)

Troposphere

b)

Mesosphere

c)

Thermosphere

d)

Exosphere

12.

This layer is the hottest layer of the atmosphere?

a)

Troposphere

b)

Stratosphere

c)

Mesosphere

d)

Thermosphere

13.

What layer of the atmosphere has the highest air pressure?

a)

Troposphere

b)

Stratosphere

c)

Exosphere

d)

Mesosphere

14.
What is the first layer of the atmosphere?
a)
Mesosphere
b)
Troposphere
c)
Thermosphere
d)
Exosphere
15.
What is the 5th layer of the atmosphere?
a)
Mesosphere
b)
Stratosphere
c)
Exosphere
d)

Thermosphere

16.
Space shuttle orbits here
a)
Mesosphere
b)
Stratosphere
c)
Thermosphere
d)
Troposphere
17.
What percentage of the earth's atmosphere is nitrogen?
a)
78%
b)
28%
c)
71%
d)
21%
18.
What percentage of the earth's atmosphere is oxygen?
a)
78%
b)
28%
c)
71%
d)
21%
19.

What step of the water cycle does this picture show?

a)

Condensation

b)

Runoff

c)

Precipitation

d)

Evaporation

20.

The process when plants release water vapor from their leaves is called _____________.

a)

precipitation

b)

evaporation

c)

transpiration

d)

condensation

21.

When water vapor is cooled and forms droplets of liquid water

a)

Condensation

b)

Evaporation

c)

Transpiration

d)

Runoff

22.
When water turns into a gas
a)
condensation 
b)
evaporation
c)
precipitation
23.
How much of Earth's freshwater is available for use?
a)
97%
b)
3%
c)
2%
d)
1%
24.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
25.
How much of our planet's water is saltwater?
a)
75%
b)
1%
c)
99%
d)
97%
26.
Water flows along the surface. This happens if the ground is very hard or wet which makes it impermeable i.e. water cannot pass through. 
a)
Throughflow
b)
Infiltration
c)
Surface runoff
d)
Groundwater
27.

What is the energy source for the water cycle?

a)

the Sun

b)

the Earth

c)

water

d)

the Moon

28.

What pulls the groundwater down until it cannot go any deeper?

a)

substrate

b)

succession

c)

gravity

29.

What is it called when water droplets form on the outside of a cool glass?

a)

Condensation

b)

Transpiration

c)

Precipitation

d)

Evaporation

30.
What is the process during which water cools and turns from a gas to a liquid?
a)
Condensation
b)
Runoff
c)
Precipitation
d)
Evaporation
31.
What step of the water cycle occurs when clouds become too heavy? 
a)
Condensation
b)
Runoff
c)
Precipitation
d)
Evaporation
32.
What is the process during which water changes from a liquid to a gas as it heats up?
a)
Condensation
b)
Runoff
c)
Precipitation
d)
Evaporation
33.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration

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