, 20 November 2019
This quiz has a lot of comparisons. From cosmic circles to considerable cats, can you work out the biggest?
Congratulations! You are a real science whiz!
Oh dear! Better brush up before the next quiz!
It’s almost 700 000 kilometres from the centre of the Sun to its edge. The Moon orbits about 380 000 kilometres from Earth, and Saturn’s rings reach about 140 000 kilometres from its centre.
A peachick is a young peacock or peahen.
A mixture of different sized particles is typically denser than ones that are the same size.
Zinc is element number 30 and has the symbol Zn. The other metals include more than one element.
The largest wild cat ever measured was a Bengal tiger, which weighed approximately 389 kilograms.
Afraid of the dark brainteaser
Protecting paintings with flow chemistry
Tension tower
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