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. 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.
#2. What organ is affected by dermatitis?
Dermatitis is a skin irritation that can involve itching, dry skin, or a rash.
#3. CRISPR is a method used for gene editing. What does the first letter stand for?
The letters in CRISPR stand for clustered regularly interspaced short palindromic repeats. CRISPR are special pieces of DNA that can be used to help edit an organism’s genome.
#4. What would you use to treat a case of myopia?
Myopia is another name for short-sightedness.
#5. Where would you find the tallest tree in the world?
The tallest tree in the world is a redwood tree called Hyperion, in California. It’s more than 115 metres tall.
#6. Which mammal has the most neck bones?
Three toed sloths have nine neck bones. Almost all other mammals, including humans and giraffes, have seven.
#7. The Mariana Trench is the deepest trench that we know of, but what ocean is it in?
The Mariana Trench is in the Pacific Ocean, about halfway between Japan and Australia.
#8. Which element has the symbol Hg?
Mercury (Hg) was once called hydrargyrum, which comes from the Greek words for water and silver.
#9. How do tadpoles breathe?
Tadpoles have gills, which they lose when they turn into frogs.
#10. CSIRO has a robot called Starbug, which was once lost and found on Moreton Island. What kind of robot is it?
Starbug is a submarine, often used for ecological surveys of rivers, lakes and coral reefs.
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