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WorksheetsTRMS Hydrology Review
Total questions: 27
Worksheet time: 18mins
Name
Class
Date
1.
About what percent of Earth's surface is covered in water?
a)
25%
b)
3%
c)
75%
d)
97%
2.
Where is most of Earth's FRESH water found?
a)
in rivers and lakes
b)
high in the atmosphere as water vapor
c)
deep underground as groundwater
d)
trapped in icecaps & glaciers
3.
Water vapor that evaporated from the ocean and is now in the atmosphere is _____ water.
a)
fresh
b)
salt
4.
Which choices shows the correct amounts of fresh water, from LARGEST to smallest?
a)
water vapor, surface water, groundwater, ice
b)
ice, oceans, surface water, salt water lakes
c)
ice, groundwater, surface water, water vapor
d)
groundwater, ice, surface water, water vapor
5.
The sun provides the energy to "drive" the water cycle. What does this mean?
a)
Light from the sun helps condensation occur.
b)
Heat from the sun helps evaporation occur.
c)
The sun's solar wind helps transpiration to take place.
d)
Charged particles give energy to clouds for precipitation to occur.
6.
Why does the amount of water on Earth remain fairly constant?
a)
The amount of precipitation equals the amount of transpiration.
b)
The amount of evaporation equals the amount of precipitation.
c)
The amount of desalination equals the amount of refrigeration.
d)
The amount of subduction equals the amount of sea-floor spreading.
7.
Where does most of Earth's evaporation take place?
a)
over the ocean
b)
below Earth's surface
c)
inside of clouds
d)
on the surface of ponds
8.
What has to happen in order for water vapor to become a liquid?
a)
It has to gain enough energy to evaporate.
b)
It has to gain enough energy to condense.
c)
It has to lose enough energy to condense.
d)
It has to lose enough energy to precipitate.
9.
What process MOST LIKELY formed the water droplets on this can of soda?
a)
precipitation
b)
transpiration
c)
evaporation
d)
condensation
10.
______ is water that is trapped in rock layers under ground.
a)
Icecap
b)
Groundwater
c)
Water vapor
d)
Salt water
11.
What can happen to water that falls back to Earth as precipitation?
a)
It can collect in the ocean.
b)
It can be absorbed and become groundwater.
c)
It can runoff into streams and rivers.
d)
All of these can happen to precipitation.
12.
What is the state of matter that precipitation can NOT form in?
a)
solid
b)
gas
c)
liquid
13.
What is the process in which a liquid gains energy and becomes a gas?
a)
evaporation
b)
condensation
c)
precipitation
d)
transpiration
14.
How much of Earth's total water supply is readily available for human use?
a)
22%
b)
3%
c)
less than 1%
d)
75%
15.
Which statement about clouds is true?
a)
They are made mostly of invisible water vapor.
b)
They are formed from the evaporation of salt water.
c)
They do not need a surface to form on.
d)
They are a collection of millions of tiny water droplets.
16.
How do clouds form?
a)
Water vapor loses heat energy, cools, condenses, & clumps around dust particles.
b)
Liquid water gains heat energy, spreads out, and escapes as a gas.
c)
Water droplets lose heat energy, become heavy, and fall as precipitation.
d)
Water vapor rises until it becomes trapped by the upper atmosphere.
17.
Water in the gas form is called ______.
a)
condensation
b)
clouds
c)
water vapor
d)
sweat
18.
How is water vapor created?
a)
Water molecules LOSE heat energy and condense.
b)
Water molecules LOSE heat energy and precipitate.
c)
Water molecules GAIN heat energy and become a solid.
d)
Water molecules GAIN heat energy and become a gas.
19.
What is transpiration?
a)
When plants release oxygen through their stems.
b)
When plants release carbon dioxide through their roots.
c)
When plants release water through their leaves.
d)
When plants take the bus.
20.
What has to happen for water vapor to condense and become a liquid?
a)
lose heat energy
b)
remain at a constant temperature
c)
gain heat energy
d)
be heated to the boiling point
21.
What process is being shown in the picture?
a)
condensation
b)
precipitation
c)
collection
d)
evaporation
22.
What process in the water cycle is happening at step #2?
a)
evaporation
b)
condensation
c)
transpiration
d)
precipitation
23.
What number in the diagram is showing the process of collection?
a)
2
b)
3
c)
4
d)
5
24.
Which two steps represented in the diagram are considered to be opposite processes?
a)
steps 4 and 5
b)
steps 1 and 3
c)
steps 2 and 3
d)
steps 2 and 4
25.
What process of the water cycle is being shown in this animation?
a)
evaporation
b)
transpiration
c)
precipitation
d)
condensation
26.
Where do we get most of our drinkable fresh water?
a)
glaciers
b)
groundwater
c)
oceans
d)
rivers, lakes, and reservoirs
27.
What percent of Earth's total water is salt water?
a)
97%
b)
3%
c)
77%
d)
22%
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