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!
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.
A difference of 10 decibels means ten times more power.
Venus, also known both as the morning star and the evening star, is the second brightest object in the night sky after the Moon.
Potassium was sometimes called kalium, so its symbol is K.
Genetic analysis has revealed that numbats are close relatives of thylacines.
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.
Triceps muscles are on the back of arms, opposite the biceps.
The largest wild cat ever measured was a Bengal tiger, which weighed approximately 389 kilograms.
Tardigrades are animals.
Alpha Centauri has two sun-like stars called Rigil Kentaurus and Toliman, and one red dwarf called Proxima Centauri.
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