Water Pollution

When too much biodegradable matter (things that easily decay) end up in water, it encourages more microorganism growth, and they use up more ________ in the water.

• seaweed

• oxygen

• fish

• cans

What is surface water pollution?

• Pollution found in lakes, rivers, lagoons, oceans, ponds and other similar areas.

• Pollution found in the ground water.

• Pollution found in the atmosphere that comes down as precipitation.

• None of the above

Natural pollution is caused by...

• not saving water

• does not exist

• factories dumping garbage in oceans

• microorganisms like viruses, bacteria and protozoa

How much of the earth's water is freshwater?

• 97%

• 3%

• 2%

• 1%

Oil can cause the death to many fish and get stuck to the feathers of seabirds causing them to lose their ability to fly. What type of pollution is this?

• kitchen pollution

• farm pollution

• oil spill pollution

• All of the above.

Some pollutants (substances, particles and chemicals) do not easily dissolve in water and settle in the water.This is called...

• Oil spill pollution

• Suspended Matter Pollution

• Chemical pollution

• Natural pollution

What are some ways we can help our water pollution crisis?

• recycle

• cut back on using plastic

• don't waster water

• all of the above

Too much of will encourage algae and weed growth in the water. This type of pollution is called...

• nutrient pollution

• oil pollution

• nuclear pollution

• none of the above

What are micro-plastics?

• Tiny microscopic pieces of paper

• A water bottle

• Tiny microscopic particle of plastic

• none of the above

When humans apply pesticides and chemicals to soils, they are washed deep into the ground by rainwater. This gets to underground water, causing pollution underground. This is called...

• Oil spill pollution

• Ground water pollution

• Natural pollution