Earth's Water Review Savvas

 Which would most likely result in an unhealthy aquatic habitat?

• a decrease in turbidity
• a decrease in nitrates levels
• an increase in water temperature
• an increase in dissolved oxygen levels

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In which part of the ocean do the greatest number of organisms live?

• in the deep zone to escape predators
•  near the shore to burrow in the sand
• close to the surface to be near the largest food source
• in the open ocean to regulate their bodies in cooler temperatures

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Which technological tool uses a sound echo to measure distance?

• sonar 
• submarine 
• ocean buoy
• robotic probe

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NGSS.MS-PS4-2

Which is the best way to conserve water?

• Take a daily bath rather than a shower. 
• Wash several small loads of clothing rather than a few large ones
• Use the dishwasher only for small loads rather than for large loads.
• Install low-flow toilets that reduce the amount of water being flushed. 

Tags

NGSS.MS-ESS2-4

Why do large numbers of ocean life-forms live near areas of upwelling?

• Upwelling brings nutrients to the surface.

• Upwelling brings warm water to the surface

• Upwelling helps push small fish up toward the surface

• Upwelling keeps large predator fish away from the surface

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Which of the following could occur as the result of runoff of high nitrogen fertilizers from farmlands near a lake?

• an increase in algae growth resulting in low oxygen levels in the lake
• a decrease in mineral storage reducing carbon levels of the lake
• a decrease in pollution resulting in lower ozone levels in the lake area 
• an increase in deforestation reducing animal populations in the lake area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Where does most fresh water exist? 

• ice caps, lakes, and streams 
• glaciers, rivers, and oceans 
• aquifers, ice caps, and glaciers

Tags

NGSS.MS-ESS2-4

Which is the main source of dissolved oxygen in a body of water? 

• erosion 
• the atmosphere
• volcanic eruptions

Which can households do to help the local wastewater treatment facility function properly?

• put food waste in a composter instead of in the trash

• dispose of cooking oil and grease in the kitchen sink

• flush only human waste and toilet paper down the toilet

• volunteer to help operate the treatment plant once a month

Tags

NGSS.MS-ESS3-3

Which would most likely cause a sudden increase of nitrates in a waterway?

• spill from an oil tanker
• runoff from a boat yard
• runoff from a golf course
• discharge from a chemical plant