Water Test Redo

Under which condition are large numbers of fish in a lake likely to die?

• when the water's dissolved oxygen is low and temperature is high
• right after a storm with heavy rainfall

Tags

NGSS.MS-LS1-5

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

• toxins
• sediment
• nutrient
• bacterial

Which type of pollution can lead to harmful "algal blooms"?

• toxins
• sediments
• nutrients
• bacteria

Tags

NGSS.MS-LS2-1

What can macroinvertebrates tell us about the water they are located in? 

• Their presence can indicate the pH level in the water.

• Their presence can indicate the temperature of the water.

• Their presence can indicate the amount of pollution in the water.

• Their presence can indicate the amount of fecal bacteria in the water.

Tags

NGSS.MS-LS2-1

How does water get from one part of the water cycle to another?

• by changing state (water, liquid, gas)

• by changing quality

• by changing turbidity

• by changing color

Tags

NGSS.MS-ESS2-4

Most of Earth’s freshwater is

• stored in glaciers

• in the oceans

• trapped underground

• water vapor in the atmosphere

Tags

NGSS.MS-ESS2-4

The terms point-source and nonpoint-source refer to what?

• how toxic the pollution is

• how many chemicals the pollution contains

• how much the pollution will affect water quality

• where pollution comes from

Cannot easily be traced to the source of the pollution.

• Point Source Pollution

• Non-point source pollution

Tags

NGSS.MS-LS2-4

Can be traced back to the point of origin.

• Point Source Pollution

• Non-point source pollution

What is one source of pollution?

• Runoffs

• Sewers

• Dumping

Tags

NGSS.MS-ESS3-3