What's new

Body of knowledge – a quick quiz

By , 11 January 2023

We’re diving in and exploring bodies of water to celestial bodies, animal bodies to human bodies. Are you a busybody with the knowledge to get 5/5 in our latest quiz?

#1. Which of the following is the deepest place on Earth?

The Mariana Trench in the Pacific Ocean is 11,034 metres deep!

#2. The Sun’s north and south poles flip each solar cycle. Typically, how many years is a full solar cycle?

The solar cycle lasts roughly 11 years. During the cycle, the Sun’s magnetic field flips and the north and south poles on the Sun switch places.

#3. Which of the following animals has blue blood?

Crabs have copper pigment in their blood, which turns blue when exposed to air!

#4. Where can you find the smallest bone in our body?

The smallest bone in the human body is called the stapes, located inside the ear.

#5. The Apollo astronauts said that the Moon has an odd smell. Which smell is it?

According to Apollo astronauts, the Moon smells like burnt gunpowder.

Was I right?


Congratulations! You are a real science whiz!

Oh dear! better brush up before the next quiz!

Subscribe now!


  1. This was such a fun quiz, I didn’t expect that the moon would have such an odd smell!


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.

Double helix cover

Double Helix

If you're after more activities for kids sign up today!