1. Astronomy Chapter 4 Review Game
Jeopardy
Astronomy
Chapter 4 Review Game

2. Select a Category 10 point 20 points 30 points 40 points 50 points
Light wiz
Em Waves student
The Atom pro
Spectrum genius
10 point
20 points
30 points
40 points
50 points

3. In materials like glass or water the speed of light is _________. A
In materials like glass or water the speed of light is _________.  A. Reduced B. Increased C. The same as in vacuum D. Sometimes reduced and sometimes increased
10 point
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4. Energy
Reduced
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5. An object is moving very fast perpendicularly to your line of sight
An object is moving very fast perpendicularly to your line of sight. What shift will you observe in its spectrum?  A. Blue shift B. Red shift C. Yellow shift D. No shift
20 points
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6. No shift
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7. Work and Power 30 points Check
When astronomers study the light emitted from the Sun they notice that the light emitted from the east limb (edge) is blueshifted while the light emitted west limb is redshifted. The reason for this is that A. The Sun contains different chemicals that emit different colors. B. The distance between the Earth and the Sun is constantly changing. C. The Sun is rotating. D. The two opposing limbs have different surface temperatures.
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8. The Sun is rotating.
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9. 40 points Check A night vision camera
A. Is just much more sensitive to visible light than your eyes. B. Uses a detector sensitive to infrared light, so you can see objects that are warmer than their surroundings. C. Can only detect green photons, which reflect well in the dark, but which our eyes have trouble seeing. D. Uses a detector sensitive to X-ray light, so you can see through the dark.
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10. Uses a detector sensitive to infrared light, so you can see objects that are warmer than their surroundings.
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11. ________ range in wavelength from millimeters to hundreds of meters. A
________ range in wavelength from millimeters to hundreds of meters. A. X-rays B. Gamma rays C. Ultraviolet waves D. Visible light waves E. Radio waves
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12. Radio waves
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13. Star A is blue, Star B is yellow, and Star C is red
Star A is blue, Star B is yellow, and Star C is red. Which one of these is the hottest star? A. Star A. B. Star B. C. Star C. D. From color, temperature cannot be predicted.
10 point
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14. Star A
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15. The electrons are quantized in an atom. That means A
The electrons are quantized in an atom. That means A. The electrons are in bulk. B. The electrons can stay only in specific orbits. C. The quantity of electrons keep changing. D. All of the above.
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16. The electrons can stay only in specific orbits.
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17. Forms of Energy 30 points Check
________ occurs when an electron in an atom jumps from a lower energy orbital to a higher energy orbital. A. Ionization B. Acceleration C. Excitation D. Relaxation
30 points
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18. Excitation
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19. You are heating a jar full of hydrogen and observing its spectrum
You are heating a jar full of hydrogen and observing its spectrum. When you add more hydrogen to it, what happens to the spectral lines in the spectrum? A. The positions of emission lines will change. B. You will start seeing lots of absorption lines instead of emission lines. C. The positions of emission lines will remain the same but the lines will get broader and brighter. D. There will be no change in the spectrum.
40 points
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20. Forms of Energy
The positions of emission lines will remain the same but the lines will get broader and brighter.
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21. 50 points Check What is an atmospheric window?
A. A region in the atmosphere where light can get through. B. A region in the atmosphere where infrared radiation can penetrate. C. A range of wavelengths of electromagnetic radiation which transmit through the Earth's atmosphere. D. A part of the upper atmosphere with depleted ozone.
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22. A range of wavelengths of electromagnetic radiation which transmit through the Earth's atmosphere.
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23. Which of the following electromagnetic waves are completely blocked by the Earth's atmosphere? A. Radio waves B. Visible light C. Infrared D. X-rays
10 point
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24. X-rays
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25. A(n) ___________ spectrum has bright lines on dark background. A
A(n) ___________ spectrum has bright lines on dark background. A. Absorption B. Emission C. Continuous D. None of these
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26. Emission
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27. Energy Conversion 30 points Check
Wien's law allows astronomers to measure what property of a star? A. The surface temperature of the star. B. The chemical composition of the star. C. The distance to the star. D. All of the above.
30 points
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28. The surface temperature of the star.
Energy Conversion
The surface temperature of the star.
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29. As a solid is heated (from a low to a high temperature) the radiated light will move through what sequence of colors? A. Red, yellow, blue. B. Blue, yellow, red. C. Yellow, red, blue. D. Blue, red, yellow. E. It depends on what solid is being heated.
40 points
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30. Red, yellow, blue.
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31. Conservation of energy requires that if an atom absorbs a photon. A
Conservation of energy requires that if an atom absorbs a photon. A. An electron ends up with an energy equal to that of the photon. B. The atom must emit an electron. C. The atom must emit a photon. D. An electron rises to a new orbital with an energy equal to that of the previous orbital plus the energy of the photon.
50 points
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32. An electron rises to a new orbital with an energy equal to that of the previous orbital plus the energy of the photon.
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33. If a photon's frequency increases its wavelength A. Will decrease. B
If a photon's frequency increases its wavelength A. Will decrease. B. Will increase. C. Will not change.
10 point
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34. Problems
Will decrease.
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35. True / False 20 points Check
A temperature of 0 Kelvin means there is essentially no motion at the atomic level. 
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36. True
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37. In the Orion constellation are stars Rigel, a blue supergiant, and Betelgeuse, a red supergiant. Which star has a greater surface temperature? A. Rigel. B. Betelgeuse. C. They have the same surface temperature. D. There is not enough information to tell.
30 points
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38. Rigel
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39. Spectral lines shifted toward higher frequencies are called _____. 
A. Red-shifted
B. Blue-shifted
40 points
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40. Blue-shifted
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41. What conclusion can we draw about the motion of a star that does not show any Doppler shift in its spectrum? A. The star is not moving. B. The star is spinning fast. C. The star does not have a magnetic field. D. The star may be moving perpendicular to our line of sight. E. We cannot draw any conclusions about the motion of this star.
50 points
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42. The star may be moving perpendicular to our line of sight.
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43. Congratulations! You have completed the game of Jeopardy.