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Are you ready for the 2022 megaquiz?

By , 5 January 2022

Time for some super science trivia! This quiz has a selection from all the trivia questions we wrote in 2021. And if you’re hankering for more, you can get a new set of questions by reloading this web page!


Congratulations, you really know your science! If you want more science trivia, just hit the refresh button to get a new selection!

Oh dear, better luck next time! If you want to try again, just hit the refresh button to get a new selection of questions!

#1. Which period ended with a gigantic asteroid impact and the end of the dinosaurs?

The Cretaceous period ended about 65 million years ago with a huge asteroid impact, massive volcanic eruptions, and the extinction of the dinosaurs.

#2. Vermicomposting uses what animal to break down food scraps and other organic waste?

Vermicomposting is also called ‘worm farming’ and it uses lots of worms to speed up composting.

#3. What does a galactic year measure?

A galactic year is about 230 million Earth years. That’s how long it takes our solar system to orbit the galaxy!

#4. The bacteria Vibrio natriegens is famous for growing fast. How long does it take to double in population?

Vibrio natriegens can double in population in only 10 minutes, which is why many scientists are using it for their experiments.

#5. CSIRO has two major scientific collections in Hobart. One is the Australian National Fish Collection, but what is the other one?

The Australian National Algae Culture Collection is in Hobart. The other collections are in Canberra.

#6. True or false? Carbon fibres are usually a bit thicker than human hairs.

False. You can fit about 100 carbon fibres side by side in a millimetre, but only about 10 human hairs.

#7. How long does it take Mars to orbit the Sun?

It takes 687 Earth days for Mars to orbit the Sun.

#8. There are rivers of liquid methane on Titan, but where is Titan?

Titan is the largest of Saturn’s moons. It has a thick atmosphere and has seas, rivers and rain made of methane.

#9. What element is coal mostly made of?

Coal is mostly made of carbon, which is why it produces carbon dioxide when it is burnt.

#10. Which of these minerals is the softest?

In order from softest to hardest, it’s talc, quartz, topaz, and diamond.

Was I right?

Past megaquizzes

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