Worksheetswater pollution
Total questions: 21
Worksheet time: 21mins
Water pollution occurs when:
Harmful substances enter a water supply
Industries dispose of waste safely and correctly.
Industries cut costs with waste disposal.
None of the above.
What percentage of the Earth's fresh water is available to us?
97 %
7 %
1 %
50 %
A rapid growth of algae could lead to:
A reduction of oxygen levels in the water.
Water that can support more life.
Waters that are devoid of life.
An increase in oxygen levels.
There is nothing we can do to stop water pollution.
True
False
Water pollution occurs when:
Harmful substances enter a water supply
Industries dispose of waste safely and correctly.
Industries cut costs with waste disposal.
None of the above.
We can prevent water pollution by:
Reduce the use of plastic.
Properly dispose of chemicals.
Clean up after your animals.
All of the above
Who pollutes the ocean the most?
Marine Animals
Humans
Land Animals
Why is pollution so bad?
It harms the environment
It harms animals
All of the above
What is an example of harm on marine animals?
They can find plastic to play with
They can eat the plastic
How does plastic end up reaching and entering the ocean from land?
Littering in towns and cities
Dumpsites near waterways and oceans
People littering on beaches
All of the above
What happens to plastic waste?
Sinks to the bottom and gets buried under the sand
It never fully goes away, it just breaks into little pieces
Dissolves and decomposes in the water
It is dumped in the ocean for fish to eat
Why is plastic dangerous for marine life?
a) They mistake it for food and cannot digest it
b) They can get entangled in it which hinders their ability to swim
c) It is not dangerous because they use plastic waste for habitats
Both a) and b)
Both a) and c)
Which of the following statements is true?
Humans do not throw trash into the oceans.
Humans have thrown trash into the oceans for hundreds, if not thousands, of years.
Humans started throwing trash in the ocean only a few years ago.
Trash in the oceans is not harmful to plants, animals, or people.
What can happen if oil shipments are not handled properly?
The price of oil will go down.
The oil will spill into the ship that carries it.
Airplanes will have to transport oil.
The oil can spill into the ocean.
Which of the following is an effect of an oil spill?
Many plants and animals die.
The fishing industry improves.
Plant life increases.
The oil cleans the beaches.
The pesticides used in which fields ?
Agriculture field
Industrial field
Both fields
