Greenhouse effect and carbon footprint

Why does too much carbon dioxide in the atmosphere cause climate change?

• It cools down our planet.
• It blocks out UV rays.
• It traps heat and warms up our planet.
• It lets sunlight escape.

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NGSS.MS-ESS3-5

A farmer's tractor adds to the carbon footprint of food because___________.

• it's green
• it makes a lot of noise
• it burns fossil fuel traveling back and forth over the fields.

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NGSS.MS-ESS3-3

Which of these choices in transportation produces less green house gas than the others?

• walking
• riding a bus
• riding a car
• taking a train

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NGSS.MS-ESS3-3

Which of these activities reduce greenhouse gas production? 

• Turning off lights when leaving a room
• Leaving the video game system on when your done playing
• Leaving chargers and non essential appliances plugged in when not in use

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NGSS.MS-ESS3-3

Which of the following foods takes the least energy to produce?

• meat
• bread
• fresh vegetables
• cereal

The total set of carbon emissions caused by an individual.

• carbon cycle

• carbon handprint

• carbon footprint

• carbon summary

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

The main human activity that adds to an individual's carbon footprint.

• usage of alternative energies (wind, solar, etc)

• respiration and growth

• photosynthesis by plants

• usage of fossil fuels for energy

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NGSS.MS-ESS3-4

Why should you be concerned with the size of your carbon footprint?

• Sometimes its hard to find shoes that are the right size.

• If we don't decrease greenhouse gas emissions Earth will continue to cool.

• Greenhouse gases are becoming scarce in Earth's atmosphere.

• Increases in greenhouse gases in the atmosphere are contributing to global climate change.

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Select all that apply.

You can help decrease your carbon footprint by...

• buying and eat locally-produced food

• lessening your amount of driving

• recycling

• decreasing your water and electricity usage

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NGSS.MS-ESS3-4

The lunches of all students have a carbon footprint, whether they are brought from home or bought in a school cafeteria.

• true

• false

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NGSS.MS-ESS3-4