There’s a sailing theme to this fortnight’s quiz. See if you can navigate your way to a perfect score!
Congratulations! You are a real science whiz!
Oh dear! Better brush up before the next quiz!
Sea water is about 3.5% salt, and a litre of sea water is a little more than a kilogram, so there’s about 35 grams of salt in a litre of sea water.
Akatsuki has been orbiting Venus since 2015, studying the weather and climate.
Malachite is a beautiful green mineral that is sometimes used for jewellery.
Bootlace worms are only about one centimetre wide, but they can grow very long. A 55-metre-long bootlace worm washed up on the coast of Scotland in 1864.
Valentina Tereshkova was the first woman and 12th person to go to space, in June 1963.
If you’re after more fun science for kids, subscribe to Double Helix magazine!
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