wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

WATER POLLUTION

Total questions: 9

Worksheet time: 5mins

Name
Class
Date
1.
What is algal bloom?
a)
Plants bloom early down stream
b)
Water becomes cloudy
c)
Too much of nutrients
d)
Extremely rapid growth of algea
2.
What is Pollution?
a)
Increase in Earths temperatures
b)
Sudden growth in algae in a pond
c)
Decrease in oxygen in water
d)
Harmful substance in environment
3.

We can prevent water pollution by:

a)

Reduce the use of plastic.

b)

Properly dispose of chemicals.

c)

Clean up after your animals.

d)

All of the above

4.

What are the main sources of water pollution?

a)

Plastic, Paper, and Metal

b)

Snails in water

c)

Help, there is a boot with a snake inside of it that somehow in the nearby lake.

d)

Agriculture, Industry, and Community

5.

What can happen if fertilizer gets into streams or lakes when water runs off after it rains?

a)

Plants such as algae can grow out of control.

b)

Chemicals such a DDTs & PCBs can get into the fish.

c)

The water can get too warm.

6.

_____ is a commonly used chemical method for purifying water.

a)

Filtration

b)

Flourination

c)

Chlorination

d)

None of these

7.

Water which is suitable for drinking is called ___________.

a)

Chlorinated water

b)

Sewage water

c)

Clean water

d)

Potable water

8.

We can conserve water through

a)

Reduce, reuse and recycle

b)

Reuse, ruin, recycle

c)

other

9.

Chlorination is a chemical method for purifying water. It is done by adding

a)

Chlorine tablets

b)

Bleaching powder

c)

Both

d)

None