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12 Greenhouse Effect

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14 questions
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Question 1
1.

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We will be using the PhET Greenhouse Effect Simulation to complete this activity.

Question 2
2.

Question 3
3.

Question 4
4.

What is the temperature in Celsius with no greenhouse gases?

Question 5
5.

Question 6
6.

What is the temperature in Celsius with clouds (round to nearest degree)?

Question 7
7.
Adding clouds __________ the temperature.
Question 8
8.

Question 9
9.

Question 10
10.
Adding greenhouse gases __________ the temperature.
Question 11
11.
Part 3: Refresh the site and choose the Photons tab. Select the CALENDAR button, then select the ice age, 1750, and 2020 tabs and record the greenhouse gases and temperature for each period.

ppm = Parts per million
ppb = Parts per billion

Ice Age 1750 2020
Carbon dioxide (CO2) _______ _______ _______
Methane (CH4) _______ _______ _______
Nitrous Oxide (N20) _______ _______ _______
Temperature (C) _______ _______ _______
Question 12
12.
How have greenhouse gases and temperature changed over time?

Carbon dioxide (CO2) __________
Methane (CH4) __________
Nitrous Oxide (N2O) __________
Temperature __________
Question 13
13.

How are greenhouse gases beneficial (good) for the Earth?

Question 14
14.

How are greenhouse gases harmful (bad) for the Earth?

Bonus videos!

Solar radiation (sunlight) can be emitted, reflected, or absorbed. Match each term to its definition.
Absorb
to produce or release light
Emit
to cast back light from a surface
Reflect
to take up without reflecting
Part 1: On Greenhouse Effect Waves tab, set greenhouse gas concentration to NONE. Uncheck the CLOUD. Observe the sunlight and infrared energy waves.

What happens to sunlight Energy Waves?
Emitted
Reflected
Absorbed
What happens to the infrared Energy Waves?
Emitted
Reflected
Absorbed
Add a cloud by checking the CLOUD box. How does the activity of some of the sunlight energy change?
Emitted
Reflected
Absorbed
Part 2: On Greenhouse Effect Waves tab, set greenhouse gas concentration to LOTS. Uncheck the CLOUD. Observe the sunlight and infrared energy waves.

What happens to sunlight Energy Waves?
Increased
Decreased
Stayed the same
What happens to infrared Energy Waves?
Increased
Decreased
Stayed the same