NC Check In: Earth Science Review

What is most likely the age of the fossil contained in layer 3?

• less than 32 million years

• around 250 million years

• around 490 million years

• around 611 million years

Tags

NGSS.MS-ESS1-4

Which factors would tell scientists that a local stream is safe and healthy?

• The nitrates are high and the turbidity is low.

• The pH is high and the dissolved oxygen is high.

• The dissolved oxygen is low and the turbidity is high.

• The dissolved oxygen is high and the temperature is low.

Which is most likely to happen to a water supply in an area where acid rain falls consistently for several years?

• The pH of the water supply will increase.

• The pH of the water supply will decrease.

• The turbidity of the water supply will increase.

• The turbidity of the water supply will decrease.

Tags

NGSS.MS-PS1-2

Which regulation will most likely help maintain water quality and the good health of humans?

• A. A law that will increase aquaculture farms

• B. A law that will reduce waste storage standards

• C. A law that will limit pesticide use by local farmers

• D. A law that will increase commercial fishing permits

Tags

NGSS.MS-LS2-5

Which happens when there is a decrease in the amount of dissolved oxygen in an aquatic ecosystem?

• The turbidity increases.

• The type of sediment changes.

• The temperature of the water decreases.

• The type and number of aquatic bioindicators changes.

Tags

NGSS.MS-LS2-4

Which explains how the depletion of current fossil fuel sources will affect obtaining fossil fuels in the future?

• They will be more difficult but less expensive to obtain.

• They will be more difficult and more expensive to obtain.

• They will be easily accessible and less expensive to obtain.

• They will be easily accessible but more expensive to obtain.

Tags

NGSS.HS-ETS1-3

Which happens to a body of water if there is too much nitrogen present?

• There is a decrease in turbidity.

• There is an increase of algal growth.

• There is an increase in dissolved oxygen.

• There is an increase in animal and plant diversity.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which scenario is most likely to occur if supplies of natural gas are depleted?

• The cost of energy will increase.

• The need for energy will decrease.

• The quality of other energy sources will decrease.

• The availability of other energy sources will increase.

Tags

NGSS.HS-ESS3-1

Which could be the cause of low biodiversity in a pond?

• high dissolved oxygen

• good water quality

• poor water quality

• many predators

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1

Which is most likely caused by fertilizer being added to the water as the result of farm runoff?

• increased nitrate levels and algal blooms

• decreased phosphate levels and algal blooms

• decreased nitrate levels and decreased temperature

• increased phosphate levels and decreased temperature

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-1