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It’s our 2019 megaquiz!

By David, 2 January 2019 Quiz

Get into 2019 with this brain work out! 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!

#1 Where in our bodies are red blood cells made?

Red blood cells are made by bone marrow, the softer tissue inside large bones.

#2 What plastic are soft drink bottles typically made of?

Soft drink bottles are commonly made from PET, a strong, watertight plastic that’s easy to recycle.

#3 What is an alloy?

An alloy is a mixture of two or more metals.

#4 Which of the following animals dives deepest?

Cuvier’s beaked whales can dive almost three kilometres below the surface of the ocean.

#5 Compare two earthquakes, a magnitude 4 and a magnitude 6 on the moment magnitude or ‘Richter’ scale. How much more energy does the large one have?

A unit on the moment magnitude scale represents 32 times more energy. So a difference of two is about 1000 times more energy!

#6 The oldest spider in the world, named Number 16, died recently. How old was she?

Number 16 was a trapdoor spider that lived until she was 43 years old.

#7 Which sense does a cochlear implant assist?

The cochlear implant is an Australian invention that helps people to hear.

#8 What is a meteoroid?

A meteoroid is a small lump of rock in space. A meteor is a streak of light from space rock burning up in the atmosphere, and a meteorite is any space rock that’s made it to the ground on the surface of a planet or moon.

#9 Which of the following is not a metal?

Iodine is not a metal. It’s a grey solid that also turns into a bright purple gas!

#10 How many legs does a dragonfly have?

Dragonflies are insects, so they have six legs.

Was I right?


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  1. Question 10: I think you should specify that said triangle is on a flat plane, since it’s possible to have more than one right angle on different planar geometries.

  2. Oh, I didn’t realise the questions change on each reload – my previous comment was in regards to the maximum number of right angles that a triangle can have.

  3. Yup, on a sphere you can have three right angles – on the Earth, Singapore, Kinshasa and the South Pole makes a triangle with three almost-right angles!


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