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.
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!