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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. How many thumbs does a koala have?

Koalas have two thumbs on each front paw.

#2. What animal is affected by the disease myxomatosis?

Myxomatosis was introduced to Australia by CSIRO to combat the huge amount of rabbits devastating the countryside.

#3. When measuring the pitch of a musical note, what unit do scientists use?

The pitch of a note is based on its frequency, which is measured in hertz.

#4. Which planet appears brightest in the night sky?

Venus, also known both as the morning star and the evening star, is the second brightest object in the night sky after the Moon.

#5. What is the longest ocean animal ever measured?

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.

#6. What kind of rock is coal?

Coal is formed from plant debris collecting and slowly turning into rock over millions of years.

#7. Which of the following animals has the fastest top speed?

Ostriches can run faster than 95 kilometres per hour for very short stretches.

#8. What is a bearcat?

Bearcats, also known as binturong, are carnivorous mammals that live in south-east Asia and apparently smell like popcorn!

#9. Typically, how much salt is there in one litre of sea water?

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.

#10. Which of the following is not a square number?

A square number is the result of a number multiplied by itself. 125 is 5 x 5 x 5, making it a cube number but not a square.

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