Math
What is the only number that does not have its Roman numeral?
0
What is the square root of a quarter?
A half
Can you lick your elbow?
No, bit be honest you just tried right?
Where does sound travel faster? Water or air?
Water
Which country has the longest coastline?
Canada, due to the number of northern islands.
What comes after a trillion?
Quadrillion
What do you call the circles with the same center?
Concentric
How many bones are there in a human body?
300 - infant
206 - human body
What is opposite of matter?
Antimatter
Are rubies and sapphires the same material?
Yes! They're both forms of corundum (Al2O3), with small traces of iron in the mineral creating the red colour in rubies whereas traces of titanium or chromium create the blue colour in a sapphire.
In 1882, Whiz Ferdinand Von Lindemann discovered which Mathematical Symbol?
Pi
What do you call the two consecutive primes that differ by two?
Twin Primes
If you go into space do you get taller?
Yes, the cartilage disks in your spine expand due to the lack of gravity.
Why do bubbles pop?
They dry out from the surrounding air and the remaining surface tension of the water tears the bubble apart.
What is the most abundant element in Earth's Crust?
Oxygen 46.6%
How many digits does the value of Pi have?
Infinite
What geometric form does not have any vertices?
Circle or Sphere
What is the hardest substance in the human body?
Tooth Enamel
If you mix all colors of light what is the result? white or black
White. Adding all colours of light together is called colour addition, while adding all colours of paint together is called colour subtraction.
Does anyone own Antarctica?
No, Antarctica is under a special agreement called the Antarctic Treaty (1959) whereby originally 12 countries who had scientists active on the continent agreed to diplomatic cooperation on land found below the latitude 60°S. As of 2016 there were 53 nations involved in the treaty.
Who created the equal sign?
Robert Recorde (1557)
What is the percentage value of one-fifth?
20%
True or False: Your body temperature reduces during digestion
False
Is lightning 3 times hotter than Sun?
True
What rock floats in water?
There is only one - pumice. However, once water enters into the rock itself it will then sink.