Carlos has made a list of nonrenewable natural resources. Which two resources do not belong on his list?

• A. oil

• B. sunlight

• C. coal

• D. wind

Why would the forest area change like this?

Pick TWO

• A. The world population has increased.

• B. The world population has decreased.

• C. Growing crops has become more efficient.

• D. More land is needed to grow crops.

Tags

NGSS.MS-ESS3-4

The world's largest freshwater resource is found in (a)   . The world's smallest freshwater resource is found in (b)   .

• Ice and Snow
• Rivers
• Fresh Groundwater
• Permafrost

Tags

NGSS.MS-ESS2-4

The picture shows several energy sources. Select the energy source(s) that is renewable.

• A. electric wires

• B. solar panels

• C. sunlight

Which picture shows the best placement of solar panels for collecting the maximum amount of solar energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-ETS1-1

NGSS.MS-PS3-3

The air quality in this city is hazardous to humans, plants, and animals. The Earth system that is directly changed by harmful gases in the air is the ​ (a)   , but the (b)   would be the next changed by hazardous air quality.

​

• atmosphere
• biosphere
• geosphere
• hydrosphere

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Suggest ways to improve the environmental awareness in Dana's school based on her observations. (Choose TWO)

• Make sure the blinds and windows are open even when the heater is on.

• Leave lights on when not in the classroom.

• Keep the windows closed if the heater or air conditioner is on.

• Make sure the lights and computers are turned off after class.

Tags

NGSS.MS-ESS3-3

Dana notices that many students at her school carry their lunch in a brown paper bag and drink plastic bottled water throughout the day. She creates posters like the one shown and places them around the school to promote ecofriendly practices.

Select the two bins on the poster where students would recycle the lunch items mentioned above.

Tags

NGSS.MS-PS1-3

A (a)   impact of a dam is that it generates electricity without the pollution associated with burning fossil fuels. A (b)   impact is that the dam blocks the natural flow of water and alters the environment for plants and animals.

• positive
• negative

Tags

NGSS.MS-LS2-4

Which of the following human activities has a positive effect on Earth’s systems?

• People using solar-powered lights

• Factories polluting the air

• Schools buying products made of recycled materials

• Children leaving the garden hose on.

• Businesses using natural gas to heat their offices