Carbonfootprint

The average temperature of earth is rising. 

• True
• False 
• I don't know

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

• BP
• carbon dioxide
• oxygen
• diesel

What is it called when carbon is always traveling from place to place and taking different forms in the process.

• fun
• The Obama Effect
• Chocolate Chip Cookie
• Carbon Cycle

Name of the gas the plants take in 

• gas
• methane
• Sniff Gate
• carbon dioxide

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

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

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

Why is the carbon cycle important?

• It continuously reuses and recycles carbon in the ecosystem
• It helps animals to digest food
• It takes nitrogen and oxygen out of the atmosphere
• It makes plants and animals grow.

When humans burn fossil fuels, most of the carbon quickly enters the _______ as carbon dioxide

• water
• atmosphere
• sun
• air