Water Resources and Water Pollution

what is true about water pollution?

• all water is polluted

• there is a way to make water 100% pure

• nutrients are not pollutants

• all of these are true

Tags

NGSS.MS-LS2-5

another way to talk about water pollution is to talk about water ______

• quantity

• speed

• quality

• all of these options

water pollution can be

• biological

• temperature

• physical

• all of these

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-5

water regulations usually start around

• parts per ten

• parts per hundred

• parts per thousand

• parts per million

the problem of Jaffrey Lake is based on

• artificial eutrophication

• natural eutrophication

• not enough nutrients in the lake

• too much dissolved oxygen in the lake

Tags

NGSS.MS-ESS3-4

what does it mean to degrade water quality?

• water is good

• water is ok

• water passes regulations but probably isn't pleasant

• water is bad

what is turbidity?

• how clear the water is

• how much oxygen water has

• how much phosphate water has

• how much nitrate water has

Tags

NGSS.MS-LS2-3

water with a pH of 14 is

• acidic

• basic

• neutral

• safe to drink

what can increase levels of nitrate in water?

• sewage

• pesticides

• mining waste

• all of these options

Which of the following is not a common indicator that water pollution is occurring?

• High Fecal Coliform Bacteria

• Dead fish

• Low Turbidity

• Heavy Metals