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Transcript 
S
I
L
L
A
M
S
W
HO
?
O
N
A
N
Measuri
s
g
n
i
h
T
t
en
r
e
f
f
i
D
g
n
By Catherine McCarthy, Rae Ostman, Emily Maletz, and Stephen Hale
©2008 Sciencenter, Ithaca, NY. All rights reserved.
Available for purchase at www.lulu.com
S
I
L
L
A
M
S
W
HO
?
O
N
A
N
Measuri
s
g
n
i
h
T
t
en
r
e
f
f
i
D
g
n
L
L
A
M
S
W
O
H
?
O
N
A
N
IS
Child
1 meter
A child is about 1 meter tall
1 meter = 1,000,000,000 nm (1 billion nanometers)
Hand
1 decimeter
A hand is about 1 decimeter wide
1 decimeter = 100,000,000 nm (100 million nanometers)
What is smaller than a hand? >>
Pinky Finger
1
ce
nt
im
et
er
(WPUR`ÄUNLYPZHIV\[JLU[PTL[LY^PKL
1 centimeter = 10,000,000 nm (10 million nanometers)
<< What is bigger than a pinky
finger?
freckle?
Freckle
1 millimeter
A freckle is about 1 millimeter wide
1 millimeter = 1,000,000 nm (1 million nanometers)
What is smaller than a freckle? >>
©Dennis Kunkel Microscopy, Inc.
1 te
nt h
of a
mill
ime
t
er
Strand of Hair
A hair is about 0.1 (one tenth) of a millimeter wide
0.1 millimeter = 100,000 nm (100 thousand nanometers)
<< What is bigger than a strand of hair?
Red Blood Cell
c
mi
10
rs
ete
m
ro
A red blood cell is about 10 micrometers wide
10 micrometers = 10,000 nm (10 thousand nanometers)
What is smaller than a red blood cell? >>
Bacteria
1
m
ic
ro
m
et
er
A bacteria cell is about 1 micrometer wide
1 micrometer = 1,000 nm (1 thousand nanometers)
<< What is bigger than a bacteria cell?
Virus
1 tenth of
a micrometer
A virus is about 0.1 (one tenth) of a micrometer wide
0.1 micrometer = 100 nm (1 hundred nanometers)
What is smaller than a virus? >>
Cell Membrane
10 nanometers
A cell membrane is about 10 nanometers wide
10 nanometers
<< What is bigger than a cell membrane?
Sugar Molecule
1
no
na
m
er
et
(Z\NHYTVSLJ\SLPZHIV\[UHUVTL[LY^PKL
1 nanometer
What is smaller than a sugar molecule? >>
Atom
1 tenth of a nanometer
An atom is about 0.1 (one tenth) of a nanometer wide
0.1 nanometer
<< What is bigger than an atom?
How many nanometers
are in a meter?
t
o
l
a
s
’
t
a
Th
!
!!
s
r
e
t
e
m
of nano
A hair is about 0.1 (one tenth) of a millimeter wide
0.1 millimeter = 100,000 nm (100 thousand nanometers)
Strand of Hair
A freckle is about 1 millimeter wide
1 millimeter = 1,000,000 nm (1 million nanometers)
Freckle
(WPUR`ÄUNLYPZHIV\[JLU[PTL[LY^PKL
1 centimeter = 10,000,000 nm (10 million nanometers)
Pinky Finger
A hand is about 1 decimeter wide
1 decimeter = 100,000,000 nm (100 million nanometers)
Hand
A child is about 1 meter tall
1 meter = 1,000,000,000 nm (1 billion nanometers)
Child
Macrosize
HOW SMALL IS NANO?
10 -4
10 -3
10 -2
10 -1
10 0
Macrosize
meters, decimeters, centimeters, millimeters
An atom is about 0.1 (one tenth) of a nanometer wide
0.1 nanometer = 01. nm
Atom
(Z\NHYTVSLJ\SLPZHIV\[UHUVTL[LY^PKL
1 nanometer = 1 nm
Sugar Molecule
A cell membrane is about 10 nanometers wide
10 nanometers = 10 nm
Cell Membrane
10 -10
10 -9
10 -8
10 -7
10 -6
10 -5
micrometers
Nanosize
A virus is about 0.1 (one tenth) of a micrometer wide
0.1 micrometer = 100 nm (1 hundred nanometers)
Virus
A bacteria cell is about 1 micrometer wide
1 micrometer = 1,000 nm (1 thousand nanometers)
Bacteria
A red blood cell is about 10 micrometers wide
10 micrometers = 10,000 nm (10 thousand nanometers)
Red Blood Cell
Microsize
Microsize
Nanosize
nanometers
Image sources:
Girl, Freckle, Red Blood Cells,
Bacteria, Virus
www.istockphoto.com
Hand, Fingers, Cell Membrane, Atoms
Emily Maletz and Sciencenter
www.emilymaletz.com, www.sciencenter.org
Hair Strands
©Dennis Kunkel Microscopy, Inc.
www.denniskunkel.com
Glucose Molecule
Public domain image
www.wikipedia.org
By Catherine McCarthy, Rae Ostman, Emily Maletz, and Stephen Hale
Second Edition, August 2008
www.sciencenter.org
www.emilymaletz.com
With support from:
This material is based upon work supported by the National Science Foundation under Agreement No. ESI-0532536.
Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s)
and do not necessarily reflect the views of the National Science Foundation.
Available for purchase at www.lulu.com
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