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WorksheetsFresh Water Problems
Total questions: 14
Worksheet time: 7mins
Name
Class
Date
1.
What is the most important thing to pack for a hike on a hot summer day?
a)
a compass
b)
a map
c)
hiking boots
d)
water
2.
What is the chemical formula for water?
a)
H2O
b)
CH4
c)
NH3
d)
CO2
3.
On our planet, freshwater is found _____
a)
in relatively small amounts
b)
in moderate amounts
c)
in relatively large amounts
d)
almost everywhere
4.
Freshwater is water that doesn't contain a lot of _____
a)
minerals
b)
pollution
c)
salt
d)
oxygen
5.
What percent of the water on the planet is salty?
a)
less than 1 percent
b)
about 3 percent
c)
about 97 percent
d)
about 99 percent
6.
What percent of the planet's total water supply is freshwater?
a)
less than 1 percent
b)
about 3 percent
c)
about 97 percent
d)
about 99 percent
7.
What percent of the planet's water is actually fresh water that's accessible to us?
a)
less than 1 percent
b)
about 3 percent
c)
about 97 percent
d)
about 99 percent
8.
What is one of the most important sources of freshwater in the southwestern U.S.?
a)
the Mississippi River
b)
the Missouri River
c)
the Colorado River
d)
the Saint Lawrence River
9.
The Colorado river provides water to more than _____
a)
4 thousand people
b)
40 thousand people
c)
4 million people
d)
40 million people
10.
Today, in the Colorado River, how much water is there compared to 100 years ago?
a)
about 4 million liters more
b)
about 4 million liters less
c)
about 4 billion liters less
d)
about 4 trillion liters less
11.
Who has been using more of the water every year, leaving less of it for future generations?
a)
humans
b)
plants
c)
animals
d)
the natural landscape
12.
On the graph, the red line shows how much water _____
a)
evaporated each year
b)
flowed out of the river
c)
remained in the river
d)
we used each decade
13.
The vaquita that lives in the Gulf of California is a rare species of _____
a)
fish
b)
whale
c)
porpoise
d)
amphibian
14.
Today, how many vaquitas are left in the world?
a)
fewer than 10
b)
fewer than 100
c)
fewer than 1000
d)
fewer than 10 000
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