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#1. Soap can be made by mixing a corrosive chemical called lye, and what other ingredient?
Soap molecules are fatty on one end, and salty on the other (in this case from the lye). The fatty end sticks to grease and oil, and the salty end lets it dissolve in water!
#2. True or false? Diamonds float on water.
False. Diamond is about 3.5 times denser than water, so it will sink.
#3. What shape is our solar system?
Our solar system’s ‘bubble’, carved into space by solar wind, is actually a squashed crescent shape. It has also been compared to a deflated croissant.
#4. True or false? Some species of spider use long pieces of spider silk to fly.
True! Some spiders create sails from their silk, to help them fly on the breeze. This is called ‘ballooning’.
#5. Ant-Man and The Wasp are named after insects. What is the scientific name for the order of insects that contains both ants and wasps?
Hymenoptera is the order of insects that includes ants, wasps, bees and sawflies.
#6. One shape often seen in nature is the hexagon. Which of the following include hexagons?
Honeycomb, snowflakes and insect eyes all include hexagons.
#7. Which of the following gliding animals is fake?
There are many different animals that can glide including some frogs, squid, and lizards. However, all penguins are flightless.
#8. What is the name for a printed circuit board containing the principal components for a computer or other device, and allows parts of the system to communicate with each other?
The terms motherboard, mainboard and main circuit board are interchangeable. Plus, there are even more terms than these in use!
#9. What is the highest number of legs ever found on a millipede?
The word millipede means ‘a thousand feet’, but the first millipede with more than 1,000 legs was first recorded scientifically in 2021.
#10. Which of the following fibres doesn’t come from an animal?
Cotton comes from the seed pod of a cotton plant.