There are more atoms in a glass of water than glasses of water in the oceans.
Why it is true
There are countless molecules in a 250ml glass compared to the number of glasses needed to fill all the world's oceans.
Source: Chemistry
Would you rather be asked first?
This is the reading side of the site, so the answer is in the sentence above — that is the whole point of it. Test yourself works the other way round: the question comes on its own, and the fact and the explanation only appear once you have answered.
Related facts
Science
A teaspoon of water contains more molecules than drops of water in the ocean.
Science
The world's oceans contain about 20 million tons of dissolved gold, enough to give every person on Earth 9 pounds.
Science
Some metals explode in water.
Science
Water expands by about 9% when it freezes, which is why ice floats.
