The Carbon Cycle Shows How Carbon is Recycled

Question 1

What is carbon an important element in?

Answer 1

The materials that living things are made from

Question 2

There’s only a fixed amount of carbon in the world. What does this mean?

Answer 2

It’s constantly recycled

Question 3

What is the whole carbon cycled powered by?

Answer 3

Photosynthesis

Question 4

There’s only one arrow going?

Answer 4

Down

Question 5

What do green plants use the carbon from CO2 in the air for?

Answer 5

To make carbohydrates, fats and proteins

Question 6

What does eating do?

Answer 6

Passes the carbon compounds in the plant along to animals in a food chain or web

Question 7

What does both plant and animals respiration while the organisms are alive do?

Answer 7

Releases CO2 back into the air

Question 8

What eventually happens to plants and animals?

Answer 8

They die and decompose, or are killed and turned into useful products

Question 9

What happens when plants and animals decompose?

Answer 9

They’re broken down by bacteria and fungi

Question 10

What do these decomposers do?

Answer 10

Release CO2 back into the air by respiration, as they break down the material

Question 11

What is done with some useful plants and animal products e.g wood?

Answer 11

They are burned (combustion). This releases CO2 back into the air