Carefully observe the greenhouse effect picture you drew. Relax your eyes and look at the design.

1) Sunlight steams in through earth’s _________________________.

2) At the surface, sunlight turns into ____________.

3) The heated ground releases ____, or _____________ __________________. 

4) CO2 in the atmosphere reflects the ____ back down to earth.

5) The returning IR heats the globe, creating ______________ change.

6) Why does sunlight not interact with the air molecules?

7) How and why does sunlight heat the surface of the earth?

8) Why does the heated earth release IR, infrared radiation?

 9) Why does the CO2 in the air send the rising IR back down? 

10) How are humans creating climate change?

11) List all the greenhouse gases.

12) What do greenhouses gases do? Why? How?

13) Why is CO2 the most important greenhouse gas?

14) List the five top ways people put CO2 into the air.