Sixth Grade
Worksheets
It's a Small, Small World: Nano Numbers
Nano is a prefix that means "dwarf." It's from the Greek.
It's a tiny, tiny number when about its size we speak.
One billionth of a meter is a nanometer's size.
We can't see a nanometer with our naked eyes.
Something that is nano size is very, very small.
We must use a special microscope to see anything at all.
If a million nanometers were lined up in a row,
it would be about the size of a single flake of snow.
A single human hair is around 40,000 nanometers thick.
A hundred nanometers is the size of a germ that makes you sick.
One strand of human DNA is about two nanometers wide.
One inch is 25.4 million nanometers sitting side by side.
