Healthy Water Indicators

What does the term "Potability" refer to in the context of water?

• Water that is available in large quantities

• Water that is safe enough to be consumed by humans with low risk of harm

• Water that is used for agricultural purposes

• Water that contains various minerals

What is a bioindicator?

• A chemical substance used to assess pollution levels

• A type of technology used in ecosystem restoration

• An organism that reflects the health of an ecosystem

• A statistical model used for predicting environmental changes

What does the term "turbidity" refer to in the context of water quality?

• The temperature of water

• The cloudiness of water caused by particles

• The color of water

• The taste of water

What does high turbidity indicate about water safety?

• Water is safe to drink

• Water is possibly contaminated

• Water is rich in minerals

• Water is low in chemicals

What is the pH value of a neutral solution?

• A) 5

• B) 7

• C) 9

• D) 11

Which pH value indicates an acidic solution?

• A) 6

• B) 7

• C) 8

• D) 10

If a solution has a pH higher than 7, what type of solution is it?

• A) Acidic

• B) Neutral

• C) Basic

• D) Water

What is point-source pollution?

• Pollution spread over a wide area and cannot be traced to a single location

• Pollution that comes from a single, identifiable source such as a sewage pipe or factory

• Natural pollution sources like volcanoes and wildfires

• Pollution controlled through government regulations only

What are nitrates commonly found in?

• Air and water

• Fertilizers and pesticides

• Rocks and minerals

• Plants and animals

Tags

NGSS.MS-LS2-3

Why are nitrates important for plants?

• They help in water retention

• They are good for plant growth

• They prevent diseases

• They attract insects

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1