How small is small

1
How small is small?
1 cm
1 cm 10-2 m
2
How small is small?
1 cm
Divide 1 cm into 10 parts to make 10 mm.
1 cm
1 mm 10-3 m
3
How small is small?
1 cm
1 mm
1 micrometer ( mm) 10-6 m
Divide 1 mm into 1000 parts to make 1000 mm.
4
How small is small?
1 cm
1 mm
1 micrometer ( mm) 10-6 m
Special note a micrometer is often referred to
as a micron. Today it is considered correct to
use the term micrometer.
5
How small is small?
1 cm
1 mm
1 mm
1 nanometer (nm) 10-9 m
Divide 1 mm into 1000 parts to make 1000 nm.
6
How small is small?
1 cm
1 mm
1 mm
1 nm
Divide 1 nm into 10 parts to make 10 Angstroms.
7
How small is small?
1 cm
1 mm
1 mm
1 nm
o
1 A
Special note atoms are measured in Angstroms.
Images which are only several nanometers wide are
at the atomic scale.
8
How small is small?