We follow wormholes in space and look for units of measurement in today's Word Search
Just how small is the smallest unit of measurement?
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The English language is full of words to size up things – from millilitres to square metres to even lightyears, we can measure the smallest ant and the distance to the furthest galaxy we are aware of.
Click start to play today’s Word Search and find all the units!
But just how small is the smallest unit of measurement? There is a precise number for the smallest possible size for anything in the universe and it’s called the Planck Length: 1.6x10-35m. Basically, if you were to write it out, the decimal point would be followed by 34 zeroes and a one.