Quiz # 2 1. In which portion of the electromagnetic spectrum is the sun’s peak energy? 2. In which portion of the electromagnetic spectrum is the earth’s peak energy? 3. How are the temperature of an object and the wavelength of energy it radiates related? A. as the temperature increases, the wavelength decreases. B. as the temperature increases, the wavelength increases. 4. Based on your answer to #3, does the sun radiate relatively shortwave energy compared to the earth, or relatively longwave energy compared to the earth?

5. Which gas(es) in the atmosphere absorb(s) solar radiation before it gets to the earth’s surface? (may be more than one correct answer) A. Ozone B. Water vapor C. Carbon dioxide D. Argon   6. Which gas(es) in the atmosphere absorb(s) terrestrial radiation from the earth? (may be more than one correct answer) 7. What are “greenhouse gases”? A. those gases in the atmosphere that absorb solar radiation before it gets to the earth’s surface B. those gases in the atmosphere that absorb the earth’s longwave energy

Where is the shortwave window of transmission? A. 0.3 – 0.8 µ B. 8 – 11 µ C. 0.003 – 0.010 µ Where is the longwave window of transmission? A. 20 – 30 µ B. 8 – 11 µ C. 55-84µ 10. Is heat (longwave, thermal infrared) energy in the atmosphere coming directly from the sun? A. Yes B. No