Start the new decade with a challenge! This megaquiz will test your knowledge of all the quizzes we wrote in 2018. The questions are randomly selected, so if you want more questions, you can just reload the page. Or head back to our 2019 megaquiz!
Results
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#1. If an animal is communicating using stridulation, what is it doing?
Stridulation describes how animals make sounds to communicate by rubbing body parts together.
#2. What does a meteorologist study?
Meteorology is the study of the atmosphere and weather.
#3. What is Earth’s inner core made from?
Based on information such as seismic wave and magnetic field data, it’s believed that Earth’s inner core is mostly iron, a bit of nickel, and tiny amounts of other elements.
#4. How long is the equator?
Earth’s equator is about 40 075 kilometres long.
#5. Which of these animals is most closely related to now extinct thylacines?
Genetic analysis has revealed that numbats are close relatives of thylacines.
#6. How far under the ground is the bottom of the Kola Superdeep Borehole SG-3?
The Kola Superdeep Borehole SG-3 is the deepest artificial point on Earth, 12.262 kilometres below the ground.
#7. When water starts to freeze, what symmetry do the crystals typically show?
Water crystals, including snowflakes, are often hexagonal.
#8. What went extinct first?
Trilobites went extinct before dinosaurs.
#9. Which of the following is the longest distance?
It’s almost 700 000 kilometres from the centre of the Sun to its edge. The Moon orbits about 380 000 kilometres from Earth, and Saturn’s rings reach about 140 000 kilometres from its centre.
#10. Sea anemones belong to which of these kingdoms of life?
Sea anemones are animals – some species even move like snails!
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