Exam (elaborations)
Greenhouse Effect Gizmo
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Greenhouse Effect Gizmo
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GREENHOUSE EFFECT GIZMOQUESTIONS WITH VERIFIED ANSWERS
f What do you notice when you get into a car that has been sitting in the Sun for a while? - The car seats
and air inside the car are really hot.
Why is the inside of the car so hot? - The Sun heats up the car as time goes on and the car absorbs the
heat.
How would things be different if the car's windows were left open? - The car would still be a bit warm
because the wind and air from the outside is cooling the car and circulating air.
Click Play and view the BAR CHART tab. The temperature will go up and down every day, but try to look
at the overall trend. What happens to the temperature over time? - The temperature stays at 0 or below
consistently.
Now set the Greenhouse gases to 100% and let the simulation run for a while. How does a maximum
amount of greenhouse gas affect the temperature? - As time goes on, the temperature gets hotter and
hotter everyday.
Observe: Select the BAR CHART tab and click Play. After about 24 simulated hours, click Pause. What do
you notice about the heat flow into and out of Earth's atmosphere? - The heat flow out stays consistent
the entire 24 hours, while the heat flow in goes up a lot during the day.
At what time of day is heat flow into the atmosphere (Hin) greatest? - 12:00 PM
At what time of day is heat flow into the atmosphere (Hin) least? - 1:00-6:00 AM
Does heat flow out of the atmosphere (Hout) change during a day? - No
Select the BAR CHART tab, and click Play. While the simulation is playing, move the Greenhouse gases
slider back and forth. What do you notice? - There is a lot more fog/gas in the air as the Greenhouses
gases slider goes up.
Click Play, and this time observe the GRAPH tab as you change the Greenhouse gases. What do you
notice? - Heat flow in stays the same always, heat flow out changes depending on where the
Greenhouse gases slider is, and the temperature increases as time goes on.
Draw conclusions: The influence of greenhouse gases on temperature is called the greenhouse effect.
Based on what you have seen, how do greenhouse gases affect the heat flow into and out of Earth's
atmosphere? - Greenhouse gases do not affect the heat flow into the Earth's atmosphere, but they delay
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