Mini-Quiz: Infrared, Gases and the Greenhouse Effect

1. What does carbon dioxide in the atmosphere do?

   It absorbs harmful ultraviolet rays, thus protecting the planetSorry, not correct. Try another button. It absorbs infrared radiation, thus heating the airThat is correct. You understand about the Greenhouse Effect. It reflects infrared radiation back to the EarthGood try, but not right. Select another answer.

2. What can happen when there is an excess of CO2 and CH4 in the atmosphere?

   The amount of sunlight absorbed and changed to heat goes above 70%Correct. You are improving! The amount of sunlight absorbed and changed to heat goes below 30%Oops! Wrong answer. Re-read the question and try again. The amount of sunlight reflected back into space becomes 100%Sorry, not correct. Try another button.

3. Why are there more violent storms with increased temperatures?

   Higher temperatures actually reduce the energy of stormsGood try, but not right. Select another answer. Higher temperatures mean greater kinetic energy in the airThat is correct. You understand about the Greenhouse Effect. Higher temperatures increase the carbon oxide in the stormsOops! Wrong answer. Re-read the question and try again.

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