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Science Quiz: How many can you guess correctly?

Posted by $ blarman 9 years, 11 months ago to Science
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Twelve Questions. Wide range of topics. How do you score? Are you in the six percent who got them all correct?

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  • Posted by dbhalling 9 years, 11 months ago in reply to this comment.
    Actually it is easier to see from (P1V1)/T1 = (P2V2)/T2 but that is harder to type. Actually I never had to worry about non-ideal gases.
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  • Posted by jimjamesjames 9 years, 11 months ago in reply to this comment.
    All I know about gases is Boyle's Law and that when I open a real cold beer, the water in it turns to ice. And I like that.
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  • Posted by Stormi 9 years, 11 months ago
    Although I had majors in English and Philosophy, avoiding math led to a minor in Science, thus 12 of 12. The sugar and cavity one had me pondering, but logic and reason led to the correct, or at least expected answer. I always liked essay better than multiple choice, as there are always answers that are not quite perfectly correct in multiple choice.
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  • Posted by $ Suzanne43 9 years, 11 months ago in reply to this comment.
    So like you, allosaur, I missed a couple....it's been a while since I had a science class. However, I'm glad that so many in the Gulch did so well on the test. But what I really admire about people in the Gulch is not their ability to ace quizzes but their common sense.
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  • Posted by $ Thoritsu 9 years, 11 months ago in reply to this comment.
    Good one. DB is just bragging. The more correct (but far less useful) version of the equation is PV^y = nRT, which accounts for non-ideal properties of gases.

    Just teasing DB. You probably know this too.
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  • Posted by LibertyBelle 9 years, 11 months ago
    Well, well. I missed four. But then, I never pre-
    sented myself as a scientist.
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  • Posted by johnpe1 9 years, 11 months ago
    good quiz, but I bet that 100 percent of our inner-city
    high-school grads would miss more than 5. -- j
    .
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  • Posted by johnpe1 9 years, 11 months ago
    12 of 12, except that they (1) postulated an incorrect predicate
    when they said "... how the positions of the stars and the planets
    can affect human life," and (2) they inserted "race" as a
    category when "race" was not requested in the questions.

    this tells me that Pew Research is leftist. -- j
    .
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  • Posted by ProfChuck 9 years, 11 months ago
    12 out of 12 but I cheated, sort of, I used to teach this stuff.
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  • Posted by $ Snezzy 9 years, 11 months ago in reply to this comment.
    How much of that stuff did you learn in school? I think I knew most of it simply by being a science nerd. It ran in the family--my mother (a chem major) bought me Tom Lehrer's record with "The Elements" which I immediately transcribed, in order, Sb, As, Al, Se, H, O, N, Re, etc. I was maybe 11 years old.
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  • Posted by $ prof611 9 years, 11 months ago in reply to this comment.
    It doesn't claim to test ability, just knowledge. But I agree with your criticism, since testing knowlege is not as useful an indicator of one's intelligence.
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  • Posted by $ prof611 9 years, 11 months ago
    I got 12/12, of course, but it looks like everyone else on this site did about the same.

    BTW, "amplitude or height of a sound wave"? A sound wave has no "height", since it's a compressional wave.
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  • Posted by $ Thoritsu 9 years, 11 months ago
    Got all 12, and I suspect most of the Gulchers did very well.

    However, I didn't like the sugar or nuclear power/weapons question. The answers were not clearly correct.
    1. The sugar one does not provide adequate data for a conclusion. It is simply a correlation, and not a great R value.
    2. The nuclear weapons one asks this of the elements is "required" for both. It is quite possible to make both a nuclear weapon and a nuclear reactor without uranium.

    Interesting that "Asian" was left off the ethnicity demographic. Suspect we whiteys would be disappointed in our ethnic superiority here.
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  • Posted by cjferraris 9 years, 11 months ago
    What I worry about is, some people will think that getting a score of 60% would be acceptable..
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  • Posted by dutchmanii 9 years, 11 months ago
    Got them all as well. I didn't see a challenge here.
    Just general knowledge if you ask me. But then I was schooled before the Dept of Education came about and I actually learned something.
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  • Posted by $ Snezzy 9 years, 11 months ago in reply to this comment.
    I have always disliked multiple-guess questions. Occasionally the correct answer is "none of the above" or perhaps "both number 2 and number 4". The cell-phone question has both sound and radio as correct answers, and you have to understand that "sound" is, "Um, yes, correct, but it's not what we wanted you to say."

    Multiple guess is popular because it is easy to grade, and easy to defend in disputes about grading.
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