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#1. Which scientist won 2 Nobel Prize awards and was also the mother of a Nobel Prize winner?
Marie Curie won 2 Nobel Prizes and was also the mother of Irène Joliot-Curie who also won a Nobel Prize.
#2. True or false? Diamonds float on water.
False. Diamond is about 3.5 times denser than water, so it will sink.
#3. Where do astronauts on the International Space Station get their water from?
It’s expensive to launch things into space, so astronauts recycle as much as they can, including drinking water!
#4. A place called Lake Maracaibo has more lightning than anywhere else on Earth, but which of the following best describes it?
Lake Maracaibo is the largest lake in South America, and it has lightning storms about 300 days per year.
#5. Which of these chemicals give carrots their characteristic orange colour?
Orange carrots are coloured by carotenoids, including beta-carotene. These chemicals also help make carrots nutritious, helping your body make vitamin A.
#6. Is 0 even or odd?
When you divide 0 by 2, you get no remainder. That means 0 is even!
#7. In which year did Captain Charles “Chuck” Yeager become the first pilot to break the sound barrier?
Captain Charles “Chuck” Yeager of the United States Air Force broke the sound barrier on 14 October 1947 flying the Bell X-1 rocket-powered plane.
#8. Where would you find an ‘orange roughy’?
An orange roughy is a deep-sea fish that lives about 800 meters below the surface. It’s estimated they can live to 150 years old!
#9. The ozone layer protects us from ultraviolet radiation, but what is ozone made of?
Ozone is oxygen, but it’s a bit different to the oxygen you breathe. A regular oxygen molecule has 2 oxygen atoms, but a molecule of ozone has 3 oxygen atoms!
#10. What name do mathematicians use for a diamond shape, like on a playing card?
A rhombus is a 4-sided shape with all sides the same length, and it’s commonly called a diamond.