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How is the amount of oxygen in ocean water affected by temperature?

• The amount of oxygen in ocean water increases as temperature increases.

• The amount of oxygen in ocean water increases as temperature decreases.

• The amount of oxygen in ocean water decreases as temperature decreases.

• The amount of oxygen in ocean water is kept constant as temperature decreases.

Which provides the largest source of dissolved oxygen in the ocean?

• Coral Reefs

• Tidal Action

• Algal Growth

• Hydrothermal Vents

Tags

NGSS.MS-LS1-6

A small city gets its drinking water from the river running through its center. This river is fed by rivers that flow down the mountains nearby. How would excessive rainfall in the mountains most likely affect the turbidity of this local water source?

• Heavy rainfall would decrease the turbidity of the river downstream.

• Heavy rainfall would increase the turbidity of the river downstream.

• Heavy rainfall would increase the turbidity of only rivers upstream.

• Heavy rainfall would decrease the turbidity of only rivers upstream.

Tags

NGSS.MS-ESS2-4

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

• It has a low pH.

• It is unsafe to drink.

• It is too hot to drink.

• It contains a lot of chemicals.

Which best determines the health of a lake used as a source of freshwater?

• its depth and width

• its temperature and pH

• its location and depth

• its temperature and depth

What step in the water treatment process involves the removal of sediment?

• aeration

• desalination

• disinfection

• filtration

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

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 United States

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

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

The process of plants losing water through their leaves is called ____.

• condensation

• evaporation

• transpiration

• exhaling

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What is the process where plant absorbs carbon dioxide and release oxygen ?

• respiration

• transpiration

• combustion

• photosynthesis

Tags

NGSS.MS-LS1-6