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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!

 

Results

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#1. After nitrogen and oxygen, what’s the third most abundant gas in the atmosphere?

Argon is the third most abundant gas in our atmosphere, making up almost 1%.

#2. What is the largest confirmed crater in the Solar System?

The Utopia basin is about 3300 kilometres wide, making it about half as wide as Mars itself!

#3. Which element has the symbol W on the periodic table?

Tungsten is known as wolfram in many languages, and has the symbol W.

#4. Which other planet in our solar system is closest in size to Earth?

Venus has a diameter (width) of about 12 100 kilometres, which is only 600 kilometres smaller than Earth!

#5. Which of these is NOT a type of cloud?

Canopus is the name of a star, not a cloud.

#6. What is the maximum number of right angles that can be found in a triangle?

The angles in a triangle must add up to 180 degrees. As a right angle is 90 degrees, and a triangle has three angles, the maximum must be one right angle. Otherwise, if there were two 90 degree angles, it would add up to 180 degrees and there would be nothing left for the third angle.

#7. Which genus of Australian plants are commonly known as bottlebrushes, and typically have bright red flowers?

Callistemon typically have bright red, cylindrical flowers that look like brushes for cleaning bottles.

#8. What is an alloy?

An alloy is a mixture of two or more metals.

#9. Where in our Solar System is the asteroid belt?

The asteroid belt is an area of space between Mars and Jupiter, which contains many asteroids and the dwarf planet Ceres.

#10. The oldest spider in the world, named Number 16, died recently. How old was she?

Number 16 was a trapdoor spider that lived until she was 43 years old.

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5 responses

  1. Martin Towell Avatar
    Martin Towell

    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. Martin Towell Avatar
    Martin Towell

    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. David Avatar
    David

    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!

  4. Brielle Quinn Avatar
    Brielle Quinn

    Great quiz!??

  5. Robby Campano Avatar
    Robby Campano

    Cool

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