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!


Congratulations! you are a real science whiz!

Oh dear! better brush up before the next quiz!

#1. Where would you find the stratosphere?

The stratosphere is second layer of Earth’s atmosphere. Jet aircraft often fly in the lower stratosphere, and the ozone layer is also found in the stratosphere.

#2. Which of the following weighs more?

A mixture of different sized particles is typically denser than ones that are the same size.

#3. About how hot is the hottest part of a candle flame?

The flame of a candle typically reaches 1100 degrees Celsius, although it can get up to 1400 degrees.

#4. Which type of insect has a species named after the President of the United States, Donald Trump?

In 2017, a moth with yellow scales on its head was named Neopalpa donaldtrumpi, after Donald Trump.

#5. In general, which of these covers a bat’s body?

As bats are mammals, they are furry.

#6. What chemical is the main component of paper?

Paper is made from cellulose, a chemical found in the walls of plant cells.

#7. What kind of lifeform are the super-resilient microscopic critters known as water bears or tardigrades?

Tardigrades are animals.

#8. How wide is the Milky Way galaxy?

The Milky Way is approximately 100 000 light years across. That means it takes about 100 000 years for light to travel from one side of the galaxy to the other.

#9. What does the oculomotor nerve control?

The oculomotor nerve controls most of the movements of your eye and eyelid.

#10. How long is the equator?

Earth’s equator is about 40 075 kilometres long.

Was I right?

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