Water Pollution

What is algal bloom?

• When plants bloom too early

• A rare type of plant

• When acid rain kills algae

• Extremely rapid growth of algea

______________________ is water waste that comes from many different sources.

• biomagnification
• point source pollution
• nonpoint source pollution
• wastewater

Tags

NGSS.HS-ESS2-5

______________________ is water waste discharge from a single source.

• nonpoint source pollution
• wastewater
• point source pollution
• pathogen

Tags

NGSS.MS-ESS3-3

To reduce water pollution near a corn field, which of these ideas would NOT work?

• increase amount of water used on the crops

• use natural pest control

• plant a grass and other plants as a buffer

• grow a type of corn that needs less fertilizer

Why do we want to keep fertilizers (nitrogen and phosphorous) out of water? (Pick best answer)

• Prevent algal blooms

• nitrogen will make the water cloudy

• fertilizer will attract rats

• to reduce global warming

What is the strongest reason you should not swim in this water or go fishing?

• nitrogen

• phosphorous

• lead

• coliform bacteria

Which of the following is a nonpoint source of pollution?

• sewage treatment plant

• underground mines

• chemical and sediment runoff

• oil tankers

Soil erosion that results from land clearing practices for farming or urbanization may cause

• thermal pollution

• chemical pollution

• heavy metal pollution

• sedimentation

Tags

NGSS.MS-ESS3-4

Acid drainage from mines can alter the pH of waterways; heavy metals may load the system

• thermal pollution

• inorganic chemical pollution

• disease-causing agents

• sedimentation

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS3-1

NGSS.MS-ESS3-4

NGSS.MS-PS1-2

Dirt, sand and silt are classified as what type of pollution?

• toxins
• sediment
• nutrient
• bacterial