What is this kind of change called?

• birth rate

• exponential growth

• population constraint

• overpopulation

Tags

NGSS.MS-ESS3-4

Jamar moved to a new home with his family in an area that had been cleared for the subdivision. More ground is being cleared for a supermarket and other stores. He understands the need for new homes, but he also realizes that human activity has an impact on the land and its resources. Which human activities negatively affect the environment? Choose the three that apply.

• conserving renewable resources

• destroying habitats

• overexploitation of organisms for food

• sustainable land use

• digging deeper for fossil fuels

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

Jamar's family currently uses city electricity, and their power comes from a coal burning power plant. What problems come from using fossil fuels? Choose the two that apply.

• burns very hot

• nonrenewable

• contributes to greenhouse effect

• expensive

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

What possible consequence can come of a continually growing population?

• decreased birth rate

• human constraints

• sustainable growth

• overpopulation

Tags

NGSS.MS-ESS3-4

A company understands that it has a responsibility to minimize air pollution from its factories. What are effective ways the company can reduce the pollutants produced by the factories? Choose the statement that does not apply.

• Place devices that remove emissions in the factory smokestacks.

• Reduce the number of temperature inversions that trap pollutants.

• Use low-emission trucks to move products from one place to another.

• Use hydroelectric or wind energy sources instead of coal.

Tags

NGSS.MS-ESS3-3

Selena doesn't understand why a lack of water is a problem in some countries. She knows the water cycle takes place all over the world. What is the reason why some places lack fresh water while others have plenty of fresh water?

• Water sources are not available to some people because they live in a region where the water cycle is not active.

• Some freshwater sources are not available because they are trapped in underground aquifers.

• Water sources are unequally distributed, and much of the freshwater is tied up as ice in glaciers and ice caps.

• Some places lack fresh water due to improper damming of natural waterways.

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NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

What is a temperature inversion?

• When a layer of cooler air sits above a layer or warmer air.

• When a layer of warmer air sits above a layer or cooler air.

Tags

NGSS.MS-ESS2-6

Gas powered vehicles are ______ to refuel.

________ vehicles have cheaper fuel costs.

___ powered vehicles are cheaper to purchase.

Tags

NGSS.HS-ETS1-3