By David, 2 January 2019
Get into 2019 with this brain work out! This megaquiz will test your knowledge of all the quizzes we wrote in 2018. The questions are randomly selected, so if you want more questions, you can just reload the page!
Light travels at about one billion kilometres per hour.
A melanistic animal has a lot of the dark pigment melanin, which makes it appear black or darkly coloured.
Alpha Crucis, the brightest star in the Southern Cross is 321 light years away.
Crepuscular animals are most active at twilight, around dawn and dusk.
Helium is the second element on the periodic table, as it has two protons.
The ISS is about 400 kilometres from Earth, the Sky Muster satellites are in geostationary orbit, about 40 000 kilometres away and the Moon is about 400 000 kilometres away.
There is no Nobel Prize in biology!
There are 1 000 000 000 nanoseconds in a second. As there are 60 seconds in a minute, there are 60 000 000 000 nanoseconds in a minute.
Adamantium is a fictional metal, appearing in Marvel comics.
At -40 degrees Celsius, it’s also -40 degrees Fahrenheit. Fahrenheit degrees are spaced closer together than Celsius, so water freezes at 32 degrees Fahrenheit or 0 degrees Celsius.
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2 January, 2019 at 8:20 pm
Question 10: I think you should specify that said triangle is on a flat plane, since it’s possible to have more than one right angle on different planar geometries.
2 January, 2019 at 8:35 pm
Oh, I didn’t realise the questions change on each reload – my previous comment was in regards to the maximum number of right angles that a triangle can have.
3 January, 2019 at 9:02 am
Yup, on a sphere you can have three right angles – on the Earth, Singapore, Kinshasa and the South Pole makes a triangle with three almost-right angles!