8.E.1.1-8.E.1.3 Unit

Which is the Earth's largest source of drinkable water?

• lakes

• oceans

• aquifers

• rivers

Tags

NGSS.MS-ESS2-4

The water cycle has no beginning or end, but it has an order. Which of the following are the MOST likely ways that water would move through the water cycle?

• 1 and 2

• 2 and 3

• 3 and 4

• 4 and 1

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Which best describes the amount of Earth's total water supply that is usable freshwater?

• less than 1%

• less than 25%

• greater than 50%

• greater than 75%

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

The Environmental Protection Agency was assigned which task?

• setting standards and governing the cleanliness of water used by Americans

• setting standards and governing the highways and interstates in the US

• setting standards and governing the use of national parks and monuments in the US

• setting standards and governing the civil and commercial air transportation throughout America

Tags

NGSS.HS-ESS2-5

The diagram shows relative impact of nonpoint source pollution. Which aquatic environment would benefit the most from reduced runoff from lawns treated with fertilizers?

• estuaries and lakes

• estuaries

• rivers and lakes

• lakes

Tags

NGSS.MS-LS2-5

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

• by giving healthy people antibiotics before they get sick

• by handwashing with contaminated water before food preparation

• by using chlorine to treat sewage before it enters the water supply

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

Which best explains a way of protecting water for human consumption?

• Ban the use of lakes and rivers for recreation

• Allow dumping of some waste into lakes and rivers

• Reduce the use on lakes and rivers for irrigation of crops

• improve water quality standards for industries located on lakes and rivers

Tags

NGSS.MS-ESS3-3

If a body of water has high turbidity levels, what can most likely be concluded?

• It has low pH

• It is unsafe to drink

• It is too hot to drink

• It contains a lot of chemicals

Which will occur if humans continue to overload water systems with excess nutrients?

• chemosynthesis

• eutrophication

• nitrification

• photosynthesis

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Fish tank owners will often add ammonia to the tank to increase the nitrate levels. If too much ammonia is added, what might occur?

• Algae growth will stop, and oxygen will not be produced.

• Algae growth will increase, causing oxygen levels to increase.

• Algae growth will increase, causing oxygen levels to decrease.

• Algae growth will decrease, causing oxygen levels to decrease.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4