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WorksheetsWater on Earth
Total questions: 100
Worksheet time: 1hrs 4mins
Name
Class
Date
1.
All living things need water to carry out their body processes.
a)
True
b)
False
2.
People are made of 2/3 water.
a)
True
b)
False
3.
The place where an organism (animal/plant/person) lives and gets everything they need to survive is a ______________________.
a)
Grocery Store
b)
Habitat
c)
Tributary
d)
House
4.
97% of Earth's water is __________ water.
a)
Fresh
b)
Salt
5.
3% of Earth's surface water is _________ water.
a)
Fresh
b)
Salt
6.
What is groundwater?
a)
Water in oceans
b)
Water underground
c)
Rainwater
d)
Ice
7.
In the water cycle, water moves between land, living things, bodies of water on Earth's surface, and the _____________________.
a)
School
b)
Animals
c)
Ocean
d)
Atmosphere
8.
When water falls to Earth as rain, snow, hail, or sleet
a)
Evaporation
b)
Transpiration
c)
Precipitation
9.
When water leaves a plant through its leaves, like sweating
a)
Evaporation
b)
Transpiration
c)
Precipitation
10.
The invisible, gaseous form of water.
a)
sublimnation
b)
condensation
c)
water vapor
d)
precipitation
11.
The continuous process by which water moves from Earth's surface to the atmosphere and back, passing through the living and nonliving parts of the environment.
a)
water vapor
b)
water crest
c)
water chestnet
d)
water cycle
12.
The process by which molecules at the surface of a liquid, such as water, absorb enough energy to change to a gaseous state, such as water vapor.
a)
evaporation
b)
precipitation
c)
condensation
d)
transpiration
13.
The process of supplying water in areas of land to make them suitable for growing crops.
a)
sprinklers
b)
aqua duct
c)
irrigation
d)
ditch digging
14.
The removal of salt from salt water to make fresh water.
a)
salt free
b)
desalting
c)
desalination
d)
percolation
15.
Where is Earth's fresh water located?
a)
rivers
b)
lakes
c)
underground
d)
all of these
16.
What is another name for water?
a)
H60
b)
H20
c)
HO2
d)
CO2
17.
A mixture that forms when one substance dissolves another.
a)
solvent
b)
solution
c)
salinity
18.
What property allows water to rise up in a narrow tube?
a)
surface tension
b)
capillary action
c)
universal solvent
d)
specific heat
19.
What is the source of energy for the water cycle?
a)
moon
b)
precipitation
c)
sun
d)
ground
20.
A molecule that has an electrically charged area is called a(n)
a)
negative molecule
b)
polar molecule
c)
non-polar molecule
21.
Clouds form when condensed droplets of water form around what?
a)
sand
b)
dust
22.
A substance that dissolves another substance is called a(n)
a)
solution
b)
solvent
23.
The tightness across the surface of water is called
a)
capillary action
b)
universal solvent
c)
specific heat
d)
surface tension
24.
Most water in the atmosphere is
a)
water vapor
b)
ice
c)
snow
d)
sleet
25.
The process by which a gas changes to a liquid is
a)
evaporation
b)
condensation
c)
solution
d)
transpiration
26.
A group of students has three unknown samples of liquids. Which characteristics can best help the students determine if one of the liquids is water?
a)
color and temperature
b)
density and boiling point
c)
mass and freezing point
d)
volume and conductivity
27.
What change most likely occurs as liquid water becomes a solid?
a)
The energy of the water increases.
b)
The temperature of the water decreases.
c)
The water particles lose mass and volume.
d)
The water particles combine with new particles.
28.
Which statement best describes the motion of steam particles as they condense?
a)
The speed of the particles increase.
b)
The speed of the particles slow and eventually stop.
c)
The speed of the particles decreases.
d)
The speed of the particles continue at the same rate.
29.
TRUE or FALSE?
A pond is smaller and shallower than a lake.
A pond is smaller and shallower than a lake.
a)
True
b)
False
30.
What are the three main sources of water pollution?
a)
human waste, pesticides, motor vehicles
b)
human waste, industrial waste, chemical runoff
c)
industrial waste, animal waste, aluminum cans
31.
TRUE or FALSE:
One advantage of hydroelectric power is that is does not contribute to water pollution.
One advantage of hydroelectric power is that is does not contribute to water pollution.
a)
True
b)
False
32.
TRUE or FALSE:
One disadvantage of hydroelectric power is that it destroys habitats, farm, and towns.
One disadvantage of hydroelectric power is that it destroys habitats, farm, and towns.
a)
True
b)
False
33.
The land area that supplies water to a river system.
a)
tributary
b)
river system
c)
watershed
d)
divide
34.
A smaller stream or river that feeds into a main river.
a)
watershed
b)
river system
c)
tributary
d)
divide
35.
A river and all its tributaries together.
a)
river system
b)
watershed
c)
divide
d)
tributary
36.
The ridge that separates one water from another.
a)
watershed
b)
tributary
c)
river system
d)
divide
37.
Transpiration is the release of ____.
a)
Water from decaying matter.
b)
Water from living organisms.
c)
Carbon dioxide from living things.
d)
Carbon dioxide from plants.
38.
The water the dinosaurs drank ____.
a)
Is gone.
b)
was not the same kind of water we drink today?
c)
is still in the water cycle.
d)
Was saltwater.
39.
Clouds release water by ____.
a)
as precipitation.
b)
as evaporation.
c)
as transpiration.
d)
as respiration
40.
Why does the ocean cover different amounts of the beach at different times of the day?
a)
because the Moon's gravity pulls the ocean, causing it to rise and fall
b)
because Earth wobbles as it rotates, causing the ocean to rise and fall
c)
because ocean currents change, adding sand to and removing sand from the beach
d)
because the sand is able to absorb more water as the temperature increases, lowering the ocean level
41.
Which process is most important to the water cycle?
a)
flooding
b)
erosion
c)
evaporation
d)
farm irrigation
42.
During the water cycle, when water vapor changes to liquid water, it is called
a)
evaporation
b)
condensation
c)
freezing
d)
boiling
43.
During the water cycle, when water vapor changes to liquid water, it is called
a)
evaporation
b)
condensation
c)
freezing
d)
boiling
44.
Which two physical changes are essential processes in the water cycle?
a)
oxidation and reduction
b)
evaporation and condensation
c)
mixing and separating
d)
ebbing and flowing
45.
Which contains the greatest amount of Earth's freshwater?
a)
groundwater
b)
oceans and seas
c)
lakes and rivers
d)
glaciers and polar ice caps
46.
What does water provide habitats for?
a)
Water provides habitats for bears
b)
Water provides habitats for pools
c)
Water provides habitats for fish and plant life
d)
Water provides milk
47.
What percent of water on Earth is freshwater?
a)
12%
b)
20%
c)
14%
d)
3%
48.
Rivers and lakes are ?
a)
Saltwater
b)
Freshwater
c)
Bottled Water
d)
Tap Water
49.
What part of the water cycle does this picture show?
a)
condensation
b)
precipitation
c)
evaporation
50.
Which of these is an example of precipitation?
a)
snow
b)
air
c)
clouds
d)
vapor
51.
Which is the opposite of condensation?
a)
runoff
b)
evaporation
c)
precipitation
d)
transpiration
52.
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
53.
Does evaporation happen before or after condensation?
a)
before
b)
after
c)
during
54.
What is it called when plants give off water vapor as a waste product?
a)
condensation
b)
evaporation
c)
sublimation
d)
transpiration
55.
What is the water cycle?
a)
the 3 forms of water
b)
the movement of water on, above, or below the surface of the Earth
c)
when water melts
d)
when clouds form
56.
Most of the Earth's water is in
a)
salty oceans
b)
freshwater lakes
c)
freshwater ponds
d)
glaciers
57.
Which source of freshwater is not easily available for human use?
a)
oceans
b)
freshwater lakes
c)
rivers
d)
icecaps/glaciers
58.
Which represents the distribution of water on Earth?
a)
3% freshwater, 97% salt water
b)
97% freshwater, 3% salt water
c)
71% freshwater, 29% salt water
d)
29% freshwater, 71% salt water
59.
What is the water that fills the cracks and spaces in underground soil and rock layers called?
a)
Groundwater
b)
Water Table
c)
Precipitation
d)
Snow
60.
The process that removes salt from water in order to obtain fresh water suitable for animal consumption or irrigation.
a)
salinization
b)
desalinization
c)
presalinization
d)
antisalinization
61.
Calcium carbonate forms _______________ on the floors of caves.
a)
stalagmites
b)
stalactites
c)
columns
d)
aquifers
62.
Rocks that have many connected pores are considered to be...
a)
frozen
b)
permeable
c)
impermeable
d)
watershed
63.
Small streams or rivers that flow together to make a larger stream or river are...
a)
aquifers
b)
oxbow lake
c)
bed load
d)
tributaries
64.
When water sticks to other objects it is called...
a)
cohesion
b)
adhesion
c)
capillary action
d)
specific heat
65.
Because water is a polar molecule it has...
a)
adhesion
b)
cohesion
c)
capillary action
d)
all of these
66.
Why is so little water available for human use?
a)
most of the water on earth is fresh
b)
about 3% of all watger is fresh and most of it is frozen
c)
almost all water is found underground in unaccessible depths
d)
very little water is salty
67.
River basins are made up of many smaller...
a)
aquifers
b)
watersheds
c)
zones of saturation
d)
water tables
68.
Water climbing to the top of a tree is an example of..
a)
capillary action
b)
high specific heat
c)
surface tension
d)
all of these are correct
69.
Where do meanders occur in a river?
a)
where the gradient is high
b)
where rivers move rapidly
c)
where erosion and deposition occur
d)
in the mountains
70.
Which human activity would preserve nonrenewable resources?
a)
deforestation
b)
removing carnivores from a forest
c)
recycling
d)
heating homes with fossil fuels
71.
Which human activity is correctly paired with its likely future consequence?
a)
overfishing in the Atlantic — increase in supply of flounder and salmon as food for people
b)
development of electric cars or hybrid vehicles — increased rate of global warming
c)
use of fossil fuels — depletion of underground coal, oil, and natural gas supplies
d)
genetically engineering animals — less food available to feed the world’s population
72.
Approximately 75 percent of the Earth's surface is covered in water. So why is water considered such a precious resource?
a)
The greenhouse effect is causing most of the world's freshwater to be trapped in the atmosphere
b)
Only a small fraction of the Earth's water is freshwater available for drinking and irrigation
c)
Each year, more freshwater is being trapped in icecaps located at the North and South Poles
d)
Global warming caused by greenhouse gas emissions will likely cause Earth's oceans to evaporate
73.
What are renewable resources?
a)
Resources that are used faster than they form
b)
a. Resources that can replenish themselves over time
c)
a. Resources that exist only in urban areas
d)
Resources that exist only in rural areas
74.
A specific source of pollution is known as
a)
Water pollution
b)
Point source
c)
Non-point source
75.
Widespread pollution problems are known as...
a)
Point source
b)
Non-point source
c)
Erosion
76.
Which typically does not contribute to nutrient pollution in our waterways?
a)
farm fields
b)
community lawns
c)
oil spills
77.
Capillary action occurs because of
a)
cohesion
b)
adhesion
78.
The biggest use for fresh water is
a)
household
b)
drinking
c)
agriculture
d)
industry
79.
Before these were developed, many people become ill from contaminated drinking water.
a)
storm water drains
b)
reservoirs
c)
waste water treatment plants
d)
bottled water
80.
The picture shows an example of what?
a)
Point Source Pollution
b)
Non-Point Source Pollution
81.
Since water is renewable we do not need to conserve it.
a)
True
b)
False
82.
All of the following contribute to the pollution of water EXCEPT:
a)
Acid Rain
b)
Fertilizer Runoff
c)
Thermal Pollution
d)
Ozone Layer Depletion
83.
All of the following are ways that humans directly pollute water EXCEPT
a)
Raising the temperature of bodies of water
b)
Pumping sewage into water
Diverting water off of streets with storm sewers
Diverting water off of streets with storm sewers
c)
Water flowing off the streets into storm sewers.
d)
Spilling oil and chemicals into the water
84.
What is the land area that supplies the water in a river system?
a)
watershed
b)
divide
c)
tributary
d)
eutrophication
85.
A divide separates ___________________.
a)
continents
b)
oceans
c)
tributaries
d)
watersheds
86.
Which of the following is NOT true about ponds and lakes?
a)
Ponds are deeper than lakes.
b)
Ponds contain more algae than lakes.
c)
Lakes are larger than ponds.
d)
Lakes are colder than ponds.
87.
Which of the following is NOT a way that lakes form?
a)
glaciers
b)
tsunamis
c)
volcanoes
d)
dams built by people
88.
A lake that stores water for human use is called a ____________.
a)
dam
b)
oxbow lake
c)
reservoir
d)
crater lake
89.
The build up of nutrients in a lake is a process called ________________.
a)
eutrophication
b)
volcanic eruption
c)
algae buildup
d)
pond death
90.
What is the first step to eutrophication?
a)
Plants die.
b)
Animals die.
c)
Algae becomes so thick that it blocks sunlight.
d)
Decaying material from the dead organisms pile up and make the lake shallower.
91.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
92.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
93.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
94.
What is the name of the type of pollutant where the source is known?
a)
Point Source
b)
Non-Point Source
95.
How could pesticides get into lakes and streams?
a)
too much could be used
b)
it could be sprayed too close to a stream
c)
rain could wash pesticides into a stream
d)
all of the above
96.
Which of the following terms describes a substance that is sprayed on plants or crops to kill bugs?
a)
Permeable
b)
Eutrophication
c)
Fertilizer
d)
Pesticide
97.
Melted butter is a liquid. If melted butter is put into the freezer it will become a solid. What causes the butter to change states?
a)
melting
b)
evaporating
c)
cooling
d)
pressure
98.
The directions to make cherry gelatin are shown below.
1. Boil 1 cup water and pour into a bowl
2. Empty the contents of gelatin into the bowl
3. Stir until dissolved
4. Place bowl in refrigerator for a few hours
During which step in thee recipe will a liquid change into a gas?
1. Boil 1 cup water and pour into a bowl
2. Empty the contents of gelatin into the bowl
3. Stir until dissolved
4. Place bowl in refrigerator for a few hours
During which step in thee recipe will a liquid change into a gas?
a)
Step 1
b)
Step 2
c)
Step 3
d)
Step 4
99.
The ice blocks are shown below.
If the two blocks are set out on a table, which result would be the same for both of them?
If the two blocks are set out on a table, which result would be the same for both of them?
a)
The total mass for both ice blocks.
b)
The total volume for both ice blocks.
c)
The temperature at which both ice blocks melt.
d)
The time it takes each ice block to melt.
100.
All of the examples below show a change in the state of matter caused by heating EXCEPT -
a)
A piece of chocolate softens in the sun.
b)
A puddle of water evaporates.
c)
Water turns into an ice cube.
d)
Water turns into water vapor.
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