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Earth's Freshwater and the Water Cycle Post Assessment

Total questions: 36

Worksheet time: 20mins

Name
Class
Date
1.
The amount of water on Earth is...
a)
always the same
b)
constantly changing
c)
steadily increasing
d)
steadily decreasing
2.
About what percentage of Earth’s water is freshwater?
a)
97%
b)
50%
c)
32%
d)
3%
3.
Which of the following contains the largest percentage of the Earth's total water?
a)
Atmosphere
b)
Oceans
c)
Ice/Snow
d)
Vegetation
4.
Where is most of the earth's fresh water stored today?
a)
in glaciers and polar ice sheets
b)
in rivers and lakes
c)
in the oceans
d)
in groundwater
5.
What is one driving force for the water cycle?
a)
The gravitational force of the Moon
b)
The gravitational force of the Sun
c)
The heat from the Sun
d)
The heat from the Moon
6.
Evaporation is the process which...
a)
a gas is converted into a liquid​
b)
a liquid is converted into a gas
c)
a solid is converted into a liquid
7.
Which is a process by which water vapor ENTERS the atmosphere?
a)
condensation
b)
transpiration
c)
precipitation
d)
radiation
8.
Clouds form when . . .
a)
rain, snow, sleet, or hail fall to Earth's surface, pulled down by gravity
b)
moist air cools and the water vapor condenses around tiny dust particles
c)
warm moist air rises because the molecules have more energy, move away from each other, and the less dense gas floats upwards
d)
water evaporates from a body of water like an ocean
9.
What happens to air as it rises into the atmosphere?
a)
The air heats up
b)
The air cools down
c)
The air temperature remains constant
d)
None of the above
10.
What sequence of processes transports water from the ocean into a cloud?
a)
Evaporation and condensation
b)
Condensation and freezing
c)
Precipitation and condensation
d)
Evaporation and precipitation
11.
Which of the following was the main source of the water in this image?
a)
evaporation from the ocean
b)
transpiration from the leaves of plants
c)
runoff from nearby hills
d)
condensation in clouds
12.
What is an example of a water reservoir?
a)
an ocean
b)
a glacier
c)
a lake
d)
all of these
13.
What is the main reason that runoff is a water quality issue?
a)
because it happens after a rainfall
b)
because it removes water from the atmosphere
c)
because it increases the amount of water in streams
d)
because it can carry pollutants into bodies of water
14.
Which best describes Earth's water cycle?
a)
It is a cycle in which water freezes, melts, and freezes again.
b)
It is the movement of water within the oceans.
c)
It is the movement of atmospheric clouds around Earth.
d)
It is the constant movement of water throughout the hydrosphere.
15.
How do the sun and gravity drive the water cycle?
a)
The Sun causes water at Earth’s surface to evaporate. Gravity causes the water to fall back to Earth as precipitation.
b)
The Sun heats the clouds which then rain down precipitation due to gravity.
c)
The Sun warms the Earth's glaciers and ice caps so they melt and add more water to the cycle. Gravity causes precipitation to fall and freeze into new glaciers and ice caps.
16.
If natural purification processes did not exist, most freshwater on the planet would be dirty. How is water cleaned in nature?
a)
water that evaporates from the Earth's surface is naturally cleaner because it leaves pollutants behind
b)
water infiltrates through layers of sand, silt, gravel, and rock, which remove impurities from the water to clean it
c)
water eventually makes its way to the oceans in the water cycle and the saltwater of the oceans cleans the water before it continues through the water cycle
17.
You and your friend go on an indoor water slide tour of America inn the winter. You notice each indoor pool has widows that look wet on the inside, like below. It is very hot inside to warm the pools. This water on the inside of the windows is an example of ________.
a)
Condensation
b)
Precipitation
c)
Evaporation
d)
Wet Windows
18.
A ridge of land that separates two watersheds is called a _______.
a)
Divide
b)
Watershed
c)
Reservior
d)
Tributary
19.
Most of Earth's fresh water is in the form of _________.
a)
Ice
b)
Water Vapor
c)
Saltwater
d)
Groundwater
20.
What begins the water cycle with evaporation
a)
Sun
b)
Gravity
c)
Water vapor
21.
Heavy rain will _____ the level of the water table
a)
Raise
b)
Level
c)
Lower
d)
Deplete
22.
What is water going down mountains into other bodies of water?
a)
Runoff
b)
Water Cycle
c)
Surface Water
d)
Divide
23.
What does permeable mean?
a)
Water cannot move through
b)
Water can move through
c)
Water can slowly move through
24.
Which is impermeable?
a)
Soil
b)
Sand
c)
Pavement
d)
T-shirt
25.
Which increases the chance of surface runoff if water falls on it?
a)
Steep Mountain
b)
Flat land
c)
Small hill
d)
Short ramp
26.
Which increases the chance of surface runoff if water falls on it?
a)
Saturated Land
b)
Unsaturated Land
27.
Which increases the chance of surface runoff if water falls on it?
a)
Saturated Land
b)
Unsaturated Land
28.
Why don't plants normally grow on the bottom of deep lakes?
a)
There is not enough sunlight
b)
The water is too salty
c)
The water is too cold
d)
There is not enough soil
29.
The top of the saturated zone forms the
a)
Water Table
b)
Artesian Well
c)
Impermeable rock
d)
Unsaturated Zone
30.
What material is more permeable?
a)
Gravel
b)
Clay
31.

This type of pollution occurs when live or dead organisms are added to water supplies

a)

Chemical pollution

b)

Thermal pollution

c)

Biological pollution

32.

True or false: Water pollution occurs when waste or other materials are added to water so that it is harmful to organisms that use it or live in it.

a)

True

b)

False; Land

33.

The following is an example of what type of water pollution?


Pesticides, herbicides, and fertilizers can reach the water supply by seeping into the groundwater.

a)

Thermal pollution

b)

Biological pollution

c)

Chemical pollution

34.

A new mall and movie theatre are being built on the outskirts of suburbia. Trees and brush are cleared away, the land is bulldozed, and a silt fence is installed across part of the development. However, construction is delayed for a year, leaving the land exposed to the elements.

a)

Toxic

b)

Sediment

c)

Nutrient

d)

Bacterial

35.

Instead of riding his bike, a college student drives to class every day. He also drives to the store, to friend's houses, and everywhere else. every time he fills up his tank, a little bit of gasoline drips to the ground. The car's exhaust contains nitrogen oxides, which contribute to nitrogen levels in nearby water bodies.

a)

Toxic

b)

Sediment

c)

Nutrient

d)

Bacterial

36.

What is the name of the massive pile of trash ?

a)

Great Pacific Garbage Patch

b)

Great Atlantic Garbage Patch

c)

Great Pacific Garbage Trash

d)

Gran Pacific Island of Trash

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