SCIENCE IN SOCIETY
Sample questions for 3rd term exam
1st part
1. About the “Large Hadron Collider”
a. Why news about this huge machine have been in the media lately?
b. Can you mention two features that give some idea of the importance of this project?
c. Can you mention two of the objectives scientists are looking for with this machine?
d. This is the second try to perform these experiments. Do you know the reason why the previous try failed?
e. That first try with the “LHC” rose some fears and great controversy in the media. Could you tell why?
f. Do you consider the concern justified?
g. Do you think that any dark aspect of science should be researched at any cost? What are the possible risks of not doing so?
2. Can you tell something about the “Standard Model of Matter”? (three things)
3. About the structure of the Universe
a. Our present conception of the structure of the Universe is sustained in two big discoveries that took place in the 20th Century. Which are these two discoveries?
b. Who were the scientists that performed these two discoveries?
c. What is the Universe that arise from those discoveries like? Choose among the options and explain why
i. The Universe is infinite and unlimited
ii. The Universe is finite but unlimited
iii. The Universe is finite and limited
d. Why we compare the Universe with a growing balloon?
e. How was the beginning of the Universe? How long ago?
f. How is going to be the end of the Universe? What does it depend on?
g. What is a spectrometer? How can we realise a Galaxy is approaching of moving away with its light spectrum?
4. About he Doppler effect
a. Relate the Doppler effect with the spectrum of a moving-away-Galaxy.
b. According to the Doppler effect, how do we hear the sound of an approaching train? And the sound of a moving away train?
c. A mother hawk screeches as she dives at you. You recall from biology that female hawks screech at 800 Hz, but you hear the screech at 850Hz. How fast is the hawk approaching?
5.
domingo, 2 de mayo de 2010
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