Through thick and thin, we love a quick quiz! We think this is one of our hardest quizzes yet. Do you have the knowledge to thin out the clues and get full marks?
#1. Which of these is a chemical found in paper?
Paper is made from cellulose, a chemical that comes from wood, rags, plants and algae.
#2. Which of the following worms is not an animal?
Ringworm is a fungus that infects skin and often makes a ring shape.
#3. Which is the thinnest layer of Earth’s structure?
Earth’s crust is only 15–20 kilometres thick on average, which is only a tiny fraction of Earth’s 6371-kilometre radius.
#4. In which direction do racing sailboats go fastest?
When boats go straight downwind, their wind disappears as they go faster – but a side-on wind stays constant no matter the boat speed!
#5. How thick is the thinnest unsupported sheet of gold ever produced?
Scientists at the University of Leeds created sheets of gold that were only two atoms thick!
Results
Congratulations! You are a real science whiz!
Oh dear! Better brush up before the next quiz!
If you’re after more fun science for kids, subscribe to Double Helix magazine!
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