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!
Cherenkov radiation appears blue, although it’s mostly ultraviolet light.
The eastern grey kangaroo has a population of several million, so it is not a threatened species.
There are 29 bones in the human head – eight in the cranium, 14 in the face, one in the neck and three in each ear!
The International Space Station orbits Earth once every 93 minutes. That means it’s travelling at more than 27 600 kilometres per hour!
Tungsten is known as wolfram in many languages, and has the symbol W.
Anthrax is an infection caused by bacteria, not a virus.
Adamantium is a fictional metal, appearing in Marvel comics.
Circles of the same size fit together tightest in a hexagonal pattern, with six circles around each circle.
The asteroid belt is an area of space between Mars and Jupiter, which contains many asteroids and the dwarf planet Ceres.
Saltwater crocodiles are the largest living reptiles.
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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!
21 October, 2020 at 12:35 am
Great quiz!👍🏻