What's new

Preservation – a quick quiz

By , 22 September 2021

This quiz is all about preserving things. From sugar to space archaeology, can you save the day by getting these questions right?

#1. What kind of samples are kept in a herbarium?

The Australian National Herbarium has more than a million plant specimens, as well as lichens, fungi, slime moulds and algae.

#2. Stromatolites might be the oldest fossils we’ve ever found, but what kind of life do they record?

Cyanobacteria colonies make strange, lumpy rocks called stromatolites.

#3. Vanguard 1 was the fourth artificial satellite launched into orbit, and the oldest one still in space. When was it launched?

Vanguard 1 was launched on 17 March 1958, meaning it has been in orbit for more than 63 years!

#4. Why doesn’t sugar go mouldy?

Sugar, like salt, can pull water out of living cells in a process called osmosis.

#5. Which of the following tardigrade facts is false?

Some tardigrades can survive at temperatures of 150° C, but lava is much hotter, around 700° C–1,200° C.

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.