Carbon Footprint

The average temperature of earth is rising. 

• True
• False 

What gas is increasing in large amounts due to human activities?

• water vapor
• carbon dioxide
• oxygen
• gasoline

Name of the gas that plants take in during photosynthesis.

• gasoline
• methane
• oxygen
• carbon dioxide

The Earth would freeze if we did not have which of the following

• the greenhouse effect
• volcanoes 
• plants
• magnets 

Everyone has a carbon footprint.

• true 
• false

Which one of these does NOT add CO₂ to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

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.

The food we eat adds to our______

• hair style.
• carbon footprint.
• beauty.

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.

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

• true
• false