Lesson 8 - Carbon Cycle

Question 1

True or false - carbon is found in every living organism

Answer 1

True

Question 2

True or false - the carbon in your body was not originally part of a carbon dioxide molecule in the air

Answer 2

False - it was

Question 3

What do plants absorb from air for photosynthesis?

Answer 3

Carbon dioxide

Question 4

What gas passes out when you breathe out?

Answer 4

CO2

Question 5

When you breath out, which gas are you “returning to nature”?

Answer 5

Carbon dioxide

Question 6

What do decomposers do?

Answer 6

They break down waste products and dead organisms, leaving no energy in the materials.

Question 7

How can fossil fuels be used in our daily life?

Answer 7

They can be used to heat our homes, fuel cars, cook food and generate electricity.

Question 8

What is a carbon footprint?

Answer 8

A carbon footprint is the total amount of greenhouse gases (including carbon dioxide and methane) that are generated by our actions.