BTW OP, did you find that quiz the same way I did, through the Google doodle?
48/50. Missed one math constant question and one physics symbol question, but I have never taken a physics class or math higher than algebra in college.
I am a retired HS science teacher, but I never taught physics.
That was one slow-moving quiz.
The question talks about gravity at the surface of the planet. While Mars is twice as massive than Mercury, its surface is farther away from its center than Mercury’s surface is because Mars is also physically larger than Mercury. So, it coincidentally turns out that everything is in such a proportion that things pretty much cancel out.
To show the calculations, given that the mass of Mars is 0.107 times that of the Earth and that its radius is 0.532 times that of Earth, and that the mass of Mercury is 0.0553 that of Earth, while its radius is 0.383 that of earth, the surface gravity of these two planets proportionate to that of the Earth is given by the equation g = m/r[SUP]2[/SUP]. Plugging and chugging for Mars gives g = 0.107/(0.532)[SUP]2[/SUP] = 0.378. And for Mercury, the equation gives g = 0.0553/(0.383)[SUP]2[/SUP] = 0.377.
- I am apparently bad at guessing. I couldn’t remember if it was Ceres or Eris that was huge, and I didn’t know the surface gravity question, as I’m unfamiliar with densities and I think I misread the question anyway. I also missed the water-moon one. I felt like the kid in Slumdog Millionaire, with a story for how I knew each one.
ETA: I don’t think it was a bad test. It’s about scientific literacy, so if you’re not well-read enough to know that the smallest units are named after Max Planck, then you should miss that one. And if I tell you that my 1920s death ray looks like a scalene triangle, and you give me a blank stare, you should miss that one, too.
45/50. That site is maddeningly slow…
50/50 - I’m a science teacher so most of the questions are stuff I deal with in class frequently.
48/50
1. Said “Nyx” was larger than Pluto.
2. Said Watt named his unit BTU.
40/50. Would have been higher, but I decided not to go back and change the ones I got wrong.
46/50. I should have gotten 47 but I absent-mindedly clicked helium instead of hydrogen for the single proton question. (I knew it was hydrogen, but for some reason helium was the first word that popped into my head.)
I got 46/50. But the questions often gave additional information that made it easy to guess the correct answer.
And yes, it’s slow.
39, but if I’d gone with my first thought on six or seven questions, I’d have come out with a 45 or so. Not bad for someone who hasn’t thought about pea plant genetics since high school. And yes, having a periodic table at hand would definitely help with some of the questions. (Who actually needs to memorize elements by their numbers in real life?)
43/50
I suck at astronomy questions. Seriously had no idea how long light takes to travel from the sun.
All the other questions were pretty easy though.
48/50Got “Mars” and “Nimbus” wrong
43/50
I should have done better, being a “Chemical Engineer”, or whatever my diploma says.
A lot of those questions though - even the chemical ones - I had to think back to college. Which was like eight years ago. Yeah, you don’t use a whole lot of University learning when practicing as an actual engineer.
Fun quiz though. The questions I missed sent me straight to wikipedia to find out the truth.
It’s surprising how you forget the little things. Out of college about 5 years and I have to calculate the area of a circle. Easy, Pi*r**2.
Then doubt sets in as I realize it’s been a while since I actually used that formula.
Or is it 2Pir**2?
Or (Pi*r**2)/2?
Textbooks usually have formulas printed inside the covers. Other books you have in the office? Not so much.
Now, I know it has r**2, since I need an answer in square units. But the rest? I had to resort to integration to determine the answer.
I felt stupid for not knowing, yet smart for being able to derive it.
if you’ve been in university fresh bio, chem, physics you’ll get 9 of 10.
the “newton” ish thing, well, got 2 degrees in engr here, so it’s predictable, otherwise, fu.
seems off base. not looking for learning but memorization. that’s all ok too. just sayin.
32/50 OK many of them I had narrowed it down to two and guessed wrong but the right reply was my other choice.
And some were WAGs that I lucked out on and got right.
I know next to nothing about the table of elements but I got the ‘brimstone’ correct from watching Star Trek.
35