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WorksheetsThe World of Water
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
The Egyptians used which of the following as a means to treat water?
a)
Boiling It
b)
Setting it out in the sun
c)
Dipping a heated piece of iron into it.
d)
All of these.
2.
What percent of the Earth is covered by water?
a)
7%
b)
100%
c)
70%
d)
90%
3.
97% of the Earth's water is salt water. Why don't humans treat and drink this water?
a)
Because we have so much fresh water.
b)
Because it is safe to drink without treating.
c)
No one has thought of that.
d)
It is difficult and too costly.
4.
2% of the Earth's fresh water is...
a)
Found in streams
b)
Frozen as glacial ice
c)
Found in the ground
d)
Found in plastic bottles in our grocery stores.
5.
How much water on Earth is actually fresh water that humans can drink, use for heating and cooling, transportation, and industry?
a)
2%
b)
Less than 0.01 %
c)
Less than 10%
d)
Less than 1%
6.
A water molecule has three atoms. They are:
a)
One hydrogen and two oxygen
b)
Two hydrogen and one oxygen
c)
Three hydrogen
d)
Two nitrogen and one hydrogen
7.
One state of water is the frozen state. Water freezes at what temperature?
a)
30 degrees F.
b)
32 degrees F.
c)
0 degrees F.
d)
200 degrees F.
8.
We use liquid water (another state of water) for which of the following?
a)
Drinking
b)
Washing
c)
All of these
d)
Industry
9.
Water turns to gas in which part of the water cycle?
a)
Evaporation
b)
Condensation
c)
Precipitation
d)
Accumulation
10.
When water falls from the atmosphere to the geosphere and biosphere, which state of the water cycle is occurring?
a)
Precipitation
b)
Accumulation
c)
Condensation
d)
Evaporation
11.
When precipitation is stored as ground water and in rivers, lakes, and oceans, which of the following is taking place?
a)
Evaporation
b)
Precipitation
c)
Accumulation
d)
Condensation
12.
Which of the following is another name for the water cycle?
a)
H20 Cycle
b)
Hydrologic Cycle
c)
The Water Movement
d)
Aquifer Cycle
13.
Which of the following is a chemical added to our water to help make it safe to drink?
a)
Caffeine
b)
Acid
c)
Base
d)
Chlorine
14.
True or false...
Water in America is very inexpensive.
Water in America is very inexpensive.
a)
True
b)
False
c)
Hmmm...that's a tricky one
d)
What does inexpensive mean?
15.
How can we conserve water?
a)
Check and fix leaky faucets.
b)
Take longer showers.
c)
Water your lawn in the middle of the day.
d)
All of the above.
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