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!
Results
Well done! You have some real science smarts!
Oh no! Why not try again by refreshing the page – you’ll get different questions!
#1. Which of the inner planets has the thickest atmosphere?
Venus’ atmosphere is very thick. At Venus’ surface, the atmosphere is about 100 times thicker than Earth’s at sea level.
#2. How many different types of bitter taste receptors are there in humans?
There are 25 different human bitter receptors recorded in the bitterDB database. But not all humans have all 25 receptors!
#3. What mistake caused the loss of the Mars Climate Orbiter mission?
The Mars Climate Orbiter had a problem with its software, which miscalculated the thrust of its engines. As a result, it came too close to Mars and was lost.
#4. Which of these chemicals is the main component of feathers?
Feathers are made from keratin, similar to keratin in your fingernails and hair.
#5. Which is bigger – Pluto or the Moon?
The Moon is bigger. It’s about 3500 kilometres across, while Pluto is only 2400 kilometres wide.
#6. What line is 23.5 degrees south of the equator?
Places on the Tropic of Capricorn are directly under the Sun at midday on their longest day of the year.
#7. What is the scientific name for cows?
Bos taurus is the scientific name for domesticated cows.
#8. Which of the following life forms emerged first?
Sharks emerged around 410 million years ago. Flowering plants emerged approximately 140 million years ago and dinosaurs 240 million years ago.
#9. Why is celery so crunchy?
Water pressure against the cellulose in cell walls is responsible for much of celery’s crunch. Cellulose is also what makes wood hard.
#10. How many planets are closer to the Sun than Earth is?
Mercury and Venus are both closer to the Sun than Earth is.
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3 responses
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.
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.
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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