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Here’s our megaquiz for the year! Below are 10 questions picked from every quiz we wrote in 2020. If you want more questions, just hit refresh and we’ll grab you another 10. Good luck!


Well done! You have some real science smarts!

Oh no! Why not try again by refreshing the page – you’ll get different questions!

#1. As a measurement, how long is a foot?

A foot is defined as 30.48 centimetres.

#2. What is the first feature-length movie that included computer-generated imagery (CGI)?

The first feature-length movie that included CGI was Westworld, released in 1973.

#3. Plants use a chemical called chlorophyll to turn light into food energy, but what colour of light doesn’t get absorbed by chlorophyll?

Chlorophyll reflects green light instead of absorbing it, which is why leaves typically look green.

#4. What chemical property causes things to taste sour?

Sourness is the taste that detects acidity.

#5. How many northern white rhinos are alive today?

There are only two northern white rhinos left, named Najin and Fatu, and both are female.

#6. What organ is affected by dermatitis?

Dermatitis is a skin irritation that can involve itching, dry skin, or a rash.

#7. What is the scientific name for cows?

Bos taurus is the scientific name for domesticated cows.

#8. At a particular temperature and pressure, water reaches its triple point, but what does that mean?

The triple point of water is the temperature and pressure that allows water to be steam, liquid and ice all at the same time.

#9. Where would you find a mangrove forest?

Mangroves are shrubs and trees that grow in shallow water on the coast.

#10. Which rocket fuel produces only water when burnt in oxygen?

When hydrogen is burnt, it produces water.

Was I right?

If you’re after more fun science for kids, subscribe to Double Helix magazine!


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  1. Hey, I got 9 right, missed moons of Pluto, but you gave me an 8/10. Looks like you program did not account for the extra 5 question, just the first five since I aced the last 5.

    1. Hi Terry,
      Thanks for the feedback! Sadly, the quiz changes every time you load it, so I can’t get the same bug to appear. But let us know if it happens again, and I’ll dig a bit deeper.

      If you want another quiz, just press f5 on the quiz page to refresh the page.

  2. Hi David,
    I thought there might be a larger problem, though very minro,` and you would get a number of responses so I wanted to be first. :-} All is good.

    Thank you


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