This week’s quiz tests all kinds of knowledge from common construction materials to Australian inventions. Can you get 5/5?
Results
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#1. Which sense does a cochlear implant assist?
The cochlear implant is an Australian invention that helps people to hear.
#2. Which of these Australian mammals weighs the most?
Red kangaroos can weigh up to 90 kilograms, as heavy as an adult human!
#3. The Kármán line separates Earth from space. How far up is it?
The Kármán line is at an altitude of 100 kilometres.
#4. If you want a pendulum to swing more frequently, which of these factors will make the most difference?
The length of a pendulum is the main factor that determines how long a swing takes.
#5. Portland cement is typically made from which rock?
Portland cement is typically made by roasting limestone, with a small amount of other ingredients, such as gypsum or clay.
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