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
Congratulations! you are a real science whiz!
Oh dear! better brush up before the next quiz!
#1. How many elements are there on the periodic table?
118. As at February 2019, there are 118 elements in the periodic table.
#2. 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.
#3. Which of the following species of Homo is NOT extinct?
Homo sapiens is the scientific name for modern humans, the only surviving species of human.
#4. Aedes aegypti is one of the deadliest animals on Earth, but what is it?
Aedes aegypti is a mosquito species that can spread dengue fever, chikungunya, Zika virus, Mayaro and yellow fever.
#5. Which atom is the lightest?
Hydrogen atoms are the lightest.
#6. What chemical is the main component of paper?
Paper is made from cellulose, a chemical found in the walls of plant cells.
#7. Which of the following vehicles uses RP-1 as fuel?
RP-1 is a rocket fuel, also known as Rocket Propellant-1.
#8. How much carbon dioxide is there in one litre of air?
The atmosphere is about 0.04% carbon dioxide. It’s almost 50% more than before the Industrial Revolution.
#9. When do comets reach their highest speed?
Comets gain speed as they fall towards the Sun and lose speed as they fly away.
#10. What does an anemometer measure?
Any instrument used to measure wind speed is called an anemometer.
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