Cambridge Environmental

What is a Non-Point source water pollution?

• Soil from farms

• Acid rain

• Damaged Sewer Pipe or system

• Salts from irrigation of farm fields

What is algal bloom?

• Plants bloom early down stream

• Water becomes cloudy because of sediment run-off

• Too much of nutrients

• Extremely rapid growth of algae

Tags

NGSS.MS-LS2-3

Under what conditions are large numbers of fish in a lake most likely to die?

• Right after a storm with heavy rainfall

• When turbidity is low and Temperature are in average range

• low pH levels

• When waters dissolved oxygen is low and temperatures are higher than average

Tags

NGSS.MS-LS2-4

What causes a body of water to have high turbidity?

• sediment run-off because of deforestation in an area

• nutrient run-off from agriculture leading to algal bloom

• Acidic levels caused by burning coal

• transportation releasing NOx, leading to smog

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-3

______________________ is water waste discharge from a single source.

• nonpoint source pollution

• wastewater

• point source pollution

• pathogen

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

______________________ is an area of the earth’s surface from which water percolates (drips) down into an aquifer.

• porosity

• recharge zone

• surface water

• biomagnification

Tags

NGSS.MS-ESS2-4

What does this diagram illustrate?

• Ozone Layer

• The Greenhouse Effect

• Ultraviolet Radiation

• Layers of the atmosphere

The ozone layer protects us from

• UV rays

• CFCs

• Increased atmospheric heat

• Decreased atmospheric heat

Which is a primary pollutant?

• ozone

• sulfuric acid

• acid deposition

• particulate matter

Water may be used to cool power plants and released back into the environment causing

• thermal pollution

• chemical pollution

• heavy metal pollution

• sedimentation