, 6 October 2021
Scientists measure all kinds of things, from plants to planets. And sometimes, they invent strange scales to measure things against – as you’ll discover in this quiz!
A sidereal day is slightly shorter than a regular solar day. Over the course of a year, there are 365 solar days, but there are 366 sidereal days!
The Scoville scale is used to measure the spiciness of chillies. It’s based on how much sugar water you need to add to a sample until you can’t taste the spiciness anymore.
A galactic year is about 230 million Earth years. That’s how long it takes our solar system to orbit the galaxy!
One hundred miles is exactly 160,934.4 metres.
Astronomers use parsecs to measure distances between stars. The distance to Alpha Centauri is 1.34 parsecs, or about 40 trillion kilometres.
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!
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