Get in fast to do this quiz! For better or worse, we’re looking at some things that are almost gone.

#1. Guinea worms are almost extinct, but what are they?

Guinea worms are parasites that live inside humans and can grow over a metre long. A long running eradication campaign has been very successful, and there were only 54 human infections reported in 2019.

#2. How many sides does a decagon have?

A decagon has 10 sides.

#3. Where would you find a mangrove forest?

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

#4. What organ is affected by dermatitis?

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

#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.

Was I right?


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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3 responses

  1. iggy Avatar

    so good

  2. diggy Avatar

    Great! Got them all right! The thing is that if you get 1/5, you can reload and just cheat.

  3. idiggy Avatar

    5 / 5
    Congratulations! You are a real science whiz!

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