What's new

Know your body – a quick quiz

By , 3 June 2020

This quiz has a focus on bodies, from celestial to human. How much do you know about the universe? Do you really know how you’re put together? Answer these questions to find out!


#1. How long does it take light to travel to our solar system from the nearby star system Alpha Centauri?

Alpha Centauri is the nearest star system to ours, about 4.37 light years away.

#2. 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.

#3. Which mammal has the most neck bones?

Three toed sloths have nine neck bones. Almost all other mammals, including humans and giraffes, have seven.

#4. Which element is often added to table salt to help prevent thyroid diseases?

Iodine is often added to salt to prevent iodine deficiency. You might see the words ‘iodised salt’ on the packet.

#5. In which body part would you find the patella bone?

The patella is another name for your kneecap.

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!


Black lightning bolt in purple circle


Leave a Reply

By posting a comment you are agreeing to the Double Helix commenting guidelines.

This site uses Akismet to reduce spam. Learn how your comment data is processed.