quiz 2.docx - Astronomy 100 Quiz 2 Circle the ONE most comprehensive response Which of the following does NOT help keep human bias from affecting

quiz 2.docx - Astronomy 100 Quiz 2 Circle the ONE most...

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Astronomy 100 Quiz 2 Circle the ONE most comprehensive response. Which of the following does NOT help keep human bias from affecting scientific claims. a. double blind experiments b. peer review c. data sharing d. corporate funding Is it possible to prove, for certain, that a scientific theory is true? a. Yes, by carrying out a sufficient number of independently confirmed experimental observations. b. Yes, by deducing it logically from other scientific theories that are known to be true. c. No, because experimentalists sometimes make serious mistakes. d. No, because it is possible that a future experiment will disagree with an aspect of the theory. The Sun subtends (angular width) about 0.5 degree in diameter. On the equator of Earth, about how long does it take for the Sun to set, from time of first contact with the western horizon to the time the Sun completely disappears below that horizon? a. 2 seconds b. 2 minutes c. 4 minutes d. about 1 hour Which of the following refers to the apparent daily movement of objects in the sky, due to the rotation and orbit of the Earth. a. sidereal motion b. analemmic motion c. diurnal motion d. nocturnal motion What is the difference between a theory and a fact? a. A fact is a theory that has been scientifically proven. b. A fact is an observation and a theory is an explanation. c. A theory is a fact that has withstood the test of time. d. A theory is always eventually disproven and facts are forever. Suppose that at midnight you observe the Moon due south on the meridian. Where will it be two nights later at midnight?
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