Pollution

Pollution traced to a single point

• water shed

• permeable

• point source pollution

• non-point source pollution

An underground water supply is...

• erosion

• river

• water shed

• aquifer

The water found in cracks and pores in sand, gravel and rocks below the surface

• sediment

• ground water

• ocean water

• surface water

Water pollution occurs when:

• Harmful substances enter a water supply

• Industries dispose of waste safely and correctly.

What can happen to fish when there is not enough oxygen in the water?

• They can suffocate

• They can't float

• Nothing. Fish don't need oxygen.

3 things water pollution causes:

• Death of animals

• Habitat destroyed

• Humans sick

• Lung damage

A farmer is storing the manure from his farm in large piles next to the river. What type of pollution would this cause?

• Toxic
• Bacterial

Someone drains used car oil and anti-freeze onto the ground. What type of pollution would this cause?

• Toxic
• Bacterial

The Harrison's decided to cut down the trees and the brushes that were obstructing their view. This left an open area with no vegetation between the house and the lake. What type of pollution would this cause?

• Sediment
• Nutrient

Untreated sewage is released into the environment. What type of pollution would this cause?

• Bacterial
• toxic