Transcript metric system -- presentation -

Metric System
Basic Units
Length - - - Meters
Volume - - - - Liters
Grams - - Weight
Temperature - - - Celsius
Metric System
MegaKilo-
Mega-
M 1,000,000 = 106
3
kM 1,000
=
10
6
1,000,000 = 10
Hecto- Kilohk
HectoDekadah
Dekada
Base Unit Base Unit
DeciDecidd
Centi-
c
3 2
100
10
1,000 =
= 10
100 = 102 1
10 = 10
10 = 101
0
10
=
10
0
10 = 10
0.1 ==
10-1
0.1
10-1
0.01 = 10-2
-2
Centic 0.01 = 10
Millim 0.001 = 10-3
Milli10-6-3
Micro- m 0.001
0.000001== 10
5000 mm (move the decimal 3
5 metersMicro= _______
-9 to
-6 the right)
Nano0.000000001 ==1010
n 0.000001
0.100 mm (move the decimal 3 to the-9left)
100 m =Nano_______
n 0.000000001 = 10
If going from big to small, move the decimal to the right.
If going from small to big, move the decimal to the left.
Lengths
"Average" virus
Resolution of light microscopes
"Average" bacterium
"Average" eukaryotic cell
Resolution of the human eye
100 nm (0.1 m)
200 nm (0.2 m)
1 m (1000 nm)
10 m
100 m
Conversions
(1) If you
have this,
(3) multiply
by this.
(2) but
want this,
Current Units
Conversion Factor
Units you want
grams
0.0022
pounds
grams
0.0353
ounces
meters
3.28
feet
meters
1.0936
yards
liters
1.057
quarts
liters
4.2268
cups
degrees Celsius
1.8 (then add 32)
degrees Fahrenheit
Conversions
(1) If you
have this,
(3) multiply
by this.
(2) but
want this,
Current Units
Conversion Factor
Units you want
pounds
453.59
grams
feet
0.3048
meters
quarts
0.946
liters
degrees Fahrenheit
subtract 32, then x
0.556
degrees Celsius
Ocular lenses
Objective lenses
Stage & Stage clip
Fine & Coarse focus
Stage adjuster
Condenser lens
Lamp
On / Off & brightness