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

The graph shows the change in the percentage of forest area on Earth’s surface from 1990 to 2014. Which are the two most likely reasons for this change?

• 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 graph shows a breakdown of the world’s freshwater resources.

Use the graph to complete the sentence.

The world’s largest freshwater resource is found in ____________.

• ice and snow

• rivers

• groundwater

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

The graph shows a breakdown of the world’s freshwater resources.

Use the graph to complete the sentence.

The world’s smallest freshwater resource is found in ____________.

• wetlands

• rivers

• permafrost

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

• sun

• solar panel

• electricity

Tags

NGSS.MS-ESS2-4

Dana wants her school to be more environmentally aware. She observes a couple of classrooms two hours each day for a week. The table shows Dana’s observations.

Which two recommendations should Dana suggest to the school that would best help to conserve energy?

• A.

  Make sure the blinds and windows are open.

• B.

  Keep the lights and computers off during class unless they are needed.

• C.

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

• D.

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

Tags

NGSS.MS-PS3-3

NGSS.MS-PS3-5

Sangeeta is an engineer. She is working on a project to build a dam that produces hydroelectricity.

Is this impact positive or negative by choosing the correct word to fill in the blank.

A _______________impact of a dam is that it generates electricity without the pollution associated with burning fossil fuels.

• positive

• negative

Sangeeta is an engineer. She is working on a project to build a dam that produces hydroelectricity.

Is this impact positive or negative by choosing the correct word to fill in the blank.

A _______________impact is that the dam blocks the natural flow of water and alters the environment for plants and animals.

• positive

• negative

Tags

NGSS.MS-ETS1-1

NGSS.MS-LS2-4

Decide whether each human activity has a positive or negative effect on Earth’s systems.

Children not turning off the garden hose.

• positive effect

• negative effect

Tags

NGSS.MS-ESS3-4

Decide whether each human activity has a positive or negative effect on Earth’s systems.

Schools buying products made of recyclable materials

• positive effect

• negative effect

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-5