Water Pollution

A rapid growth of algae could lead to... (Check all that apply.)

• 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.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Source of pollution that can be traced to back to a single source.

• runoff

• sediment

• point source pollution

• nonpoint source pollution

Pollution source that cannot be traced to a single point because comes from many sources

• thermal

• toxic

• nonpoint source pollution

• point source pollution

Farmers increase their use of pesticides and herbicides. What type of pollution would this cause?

• Sediment

• Nutrient

• Toxic

• Bacterial

• Thermal

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

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

• Toxic

• Bacterial

• Thermal

• Nutrient

• Sediment

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?

• Toxic

• Nutrient

• Thermal

• Sediment

• Bacterial

Tags

NGSS.MS-LS2-4

Marta placed her leftover paint and solvent in her garbage for the regular trash pick-up instead of following the disposal instructions. What type of pollution would this cause?

• Bacterial

• Toxic

• Nutrient

• Thermal

• Sediment

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

• Nutrient

• Bacterial

• Toxic

• Thermal

• Sediment

A parking lot is build near a stream. Cars in the parking sometimes leak oil and anti-freeze onto the parking lot. What source of pollution is this?

• Point source

• Nonpoint source

In order to grow a nice, green lawn, Kahkwa uses a lot of fertilizers. What type of pollution would this cause?

• Toxic

• Nutrient

• Bacterial

• Thermal

• Sediment

Tags

NGSS.MS-ESS3-3