Directions: In a separate Word document, answer questions I through 6 and the Ex

Question

Directions: In a separate Word document, answer questions I through 6 and the Extension (on second Make sure to fully answer each question and all of its parts for full credit. page) I. Define "light photons" and "infrared photons" a. How are they represented in the simulation? b. If you were talking to a friend about what you observe, how would you explain what is happening with the energy from the sun and the energy from the Earth? 2. ln the winter, weather reporters often day "it will be a very cold night because there are no clouds." a Use the sim to see if you can understand why this could be true. b. Describe your observations c. Would th ere be a difference between daytime and nighttime cloud effects? If so, what are they? 3. How can you make the greenhouse gases act similar to clouds? a. Explain what you did. b. Give the evidence to prove you made them act alike in a few different.situations examples from Use the Photon Absorption tab to identify which of the molecules provided in the sims are t. What do you notice about greenhouse gas effect on photons that is different from cl situations that you made in the sim to support your ideas. Greenhouse Gases, S tate microscopic evidence that supports your ideas. 18 Edit of original by Loeblein http:/lphet.colorado.edu

Explanation / Answer

Light Photons can be defined as a particle representing a quantum of light or other electromagnetic radiation. Whereas Infrared Photons are those photons whose frequency is in the infra-red spectrum i.e., about 1 to 400 THz.

1.a. Yellow and red lights can be used in the simulation with yellow representing the light photons and red as the infra-red photons.
b. Infrared photons are the photons are responsible for the heat on earth, they leave the earth as energy along with sunlight photons are being emitted from the sun. Greenhouse gases arrest them and keep these photons in the atmosphere resulting in the increase in earth temperature.

2 a. On local level clouds acts as good heat arresting agent and they trap the infrared photons on local level keeping the atmosphere warmer.
b. The clouds kept the infrared photons in the atmosphere for longer duration resulting in an increase in temp.
c. During the daytime cloud can act as a good reflector and it’ll reflect most of the sunlight during the day resulting in slower heating effect of the earth atmosphere whereas during the night time it’ll work in the reverse way by it does not allow the heat emitted from the earth to escape into the atmosphere resulting in slower cooling of the atmosphere as compared to that of the clear night sky.

3 a. This can be achieved by increasing the greenhouse gas concentration, this will result in creating a smog which acts like the cloud.
b. This can be tested in the different time period and the results will be similar.

4. Greenhouse gases and cloud act in a similar way but they too contribute in two different end results with the increase in the greenhouse gases will result in the drastic change in the temperature whereas the increase in cloud cover results in 15-20 degree increase in value than the normal.

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