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Thread: Are You Scientifically Literate?1431 days old

  1. #31
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    Quote Originally Posted by Danielion View Post
    Not sure. Series are at least. I don't have a flawless school record myself.
    I got a good result (over average) at the Swedish University Test (the higher point the more advanced schools and topics you can apply too, like Medicine schools). That was years ago when I still had certain math subjects quite fresh in memory. I think that I would get a slightly lower score if I did the test again now, because I have forgot some of the more advanced math parts of it. These tests are valid in 5 years AFAIK, so my have expired, but honestly, I didn't apply for any med school, because I thought that would be too much for me. I have quite good high school grades also.
    The Future was better before

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  3. #32
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    Quote Originally Posted by Rugevit View Post
    Well done!

    There are many solutions to the problem. One possible solution is to use the summing of geometric series. Geometric series are still being taught in schools?

    So, х^12 - x^9 + x^6 - x^3 + 1 is sum of a geometric series with the coefficient -x^3. Therefore, х^12 - x^9 + x^6 - x^3 + 1 = (x^15+1)/(x^3+1) > 0 for all real x >0

    Alternatively, one may do some curly algebra re-writing х^12 - x^9 + x^6 - x^3 + 1 as (x^6-x^3 +1)^2 + (x^3)(x^3-1)^2 > 0 for all real x > 0

    ---

    Let's make the problem a bit more difficult proving that х^12 - x^9 + x^6 - x^3 + 1 >0 for all real x.
    Now I remember! This was grade 10 math. I did horrible in grade 10 math. Forgot most of this stuff.
    The reason a dog has so many friends is that he wags his tail instead of his tongue.

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  5. #33
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    I didn't take any Science course in school, I took all of the fun courses. "Outdoor Pursuits" was my favorite. If I'm going to be forced to go to a mandatory institution by law, I'm going to at least have fun while I'm there. I feel bad for all of you geeks who went to your classes and didn't have your own vehicle to hook off like me.

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    I half fell asleep during parts of the test. Natural/hard science is definitely not my thing. I'm more of a social/soft science kind of guy. I did better on questions of a more linguistic nature (such as the Greek term for "old stone [age]" and "all the world", the meaning of the abbreviation "K" in the periodic table, the Latin word for "stream/move freely" etc.).

    I did end up correctly excluding some options for several questions, though, but still ended up picking the wrong answer.

    19 Correct
    31 Wrong


    You answered 19 of 50 questions correctly for a total score of 38%.
    Last edited by Cromagnorse; 2015-07-28 at 20:22.

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    33 correct
    17 wrong
    66%

    I don't mind biological sciences, but I'm not a fan of physical sciences (astronomy, physics, geology and chemistry).

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    I think the test should have asked questions like "is this part of the scientific method' and "what is a mole".... not how many moons Uranus has, or whatever. That's trivia, not basic scientific knowledge.

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    Quote Originally Posted by larali View Post
    I think the test should have asked questions like "is this part of the scientific method' and "what is a mole".... not how many moons Uranus has, or whatever. That's trivia, not basic scientific knowledge.
    Good point. I'll even retract something I wrote in the OP "basic scientific concepts", replace it with "basic scientific facts (or factoids, to be more accurate). It's more important to know the process than it is the definite conclusions drawn from it. That way, you can tell if the next claim you here is either true, false, or insufficiently supported. IIRC, Uranus itself had a path not predicted by Newtonian gravitational equations (which hinted at the existence of another planet, and indeed there was one - Neptune - almost right where it was predicted to be). For more modern astronomy, how can we detect planet around other stars and why should we believe they are planets instead of something else? (answer: at least two methods (a) transit method and (b) radial velocity method.

    a) just as a mosquito passing in front of a car headlight slightly dims the headlight as a whole, so a planet passing in front of a star does (we actually measure the slight dip in brightness, not actually see the shape of the planet itself)

    b) used the Doppler Effect (why train horns are high pitched and loud as they approach you, and when they pass go to a lower pitch and less loud a sound). The same thing happens with light. Basically, the planet's gravity pulls slightly on the star. The wobble/color change of the star tells us the planet's year length and approximate mass.

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    Quote Originally Posted by DragonRouge View Post
    You work in IT, you never learned how to "cheat" on multiple choice tests that are required for certifications? Well, not really cheating, just tips on how to eliminate wrong answers from the choices when you don't know the answer.
    After my Masters in Systems, I never had to do any certification. Just have been working non stop and making my way up the ranks slowly. I am more with Management Consulting now, but still a high IT flavor. My last 7 years of work have not been with hard core IT firms but more over consulting and advisory.
    Quote Originally Posted by Fact-Finder View Post
    It's like using Leonardo Dicaprio to play Rambo or something.

    http://i1350.photobucket.com/albums/...0.gif~original

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    You answered 42 of 50 questions correctly for a total score of 84%.
    Correct 42
    Wrong 8

    Missed some of biology and chemistry questions. Never learned the basics of biology, it was too boring, chemistry was more interesting but anyhow forgot the most by now

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