Aquatic Science Water Quality Quiz

pH value of less than 7 is considered to be

• polluted.

• basic.

• like drain cleaner.

• acidic.

pH is the measurement of ______

• how acidic or basic a solution is.

• just the acidity of a solution.

• how acidic or basic the atmosphere is.

• how hot or cold the water is

pH greater than 7 is considered to be

• neutral.

• basic.

• acidic.

• polluted.

Which glass contains water with high turbidity?

• Glass 1

• Glass 2

Describes the chemical, physical and biological attributes of water as it is fit for drinking, fishing, swimming, farming, etc

• Water Quality
• Water Sheds
• Dissolved oxygen
• nitrates

Tags

NGSS.MS-LS2-4

NGSS.MS-PS1-2

A small city gets its drinking water from the river running through its center. This river is fed by rivers that flow down the mountains nearby.How would excessive rainfall in the mountains most likely affect the turbidity of this local water source?

• A. Heavy rainfall would decrease the turbidity of the river downstream.

• B. Heavy rainfall would increase the turbidity of the river downstream.

• C. Heavy rainfall would increase the turbidity of only rivers upstream.

• D. Heavy rainfall would decrease the turbidity of only rivers upstream.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS2-4

Cholera is a bacterial disease that is spread throughout a community by contaminated water. How can the spread of cholera (bacteria) be prevented?

• by giving healthy people antibiotics before they get sick

• by hand washing with contaminated water before food preparation

• by using Chlorine to treat water before it enters the water supply

• by using waste to fertilize fields instead of releasing it into the water supply

Tags

NGSS.MS-LS2-4

What step of the treatment process is chlorine added?

• coagulation

• flocculation

• filtration

• disinfection

What is the basic objective of the operation of water treatment plants?

• Ensure that people drink plenty of water each day to support healthy lifestyles

• Increase water use and encourage water-intensive landscaping

• Produce safe, aesthetically pleasing drinking water at a reasonable cost

• Provide opportunities for professional advancement and salary increases

Tags

NGSS.MS-PS1-2

What is salinity?

• The property of containing salt

• The amount of suspended solids

• Describes the condition of the water

• Describes how acidic or basic water is