METRIC SYSTEM - Zachary High School
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Transcript METRIC SYSTEM - Zachary High School
METRIC SYSTEM
MEASUREMENT SYSTEM
IN SCIENCE
A DECIMAL SYSTEM (BASED
ON UNITS OF 10)
DEVELOPED BY A FRENCH
MATHEMATICIAN NAMED
GABRIEL MOUTON
aka SYSTEME’
INTERNATIONAL (SI)
HOW IT WORKS
BASIC UNITS (BU) OF MEASURE
1) METER (m)
MEASURES LENGTH
2) LITER (L)
MEASURES VOLUME
3) GRAM (g)
MEASURES MASS
4) TIME (sec)
MEASURES INTERVAL
BETWEEN EVENTS
**THERE ARE MANY
MORE
PREFIXES ARE USED TO SHOW
MAGNITUDE (SIZE).
LARGE PREFIXES (GREATER THAN BU)
12
TERA (T) 1 X 10
(TRILLION)
GIGA (G) 1 X 109 (BILLION)
MEGA (M) 1 X 106 (MILLION)
3
KILO (k) 1 X 10 (THOUSAND)
2
HECTO (h) 1 X 10 (HUNDRED)
1
DECA (da) 1 X 10 (TEN)
SMALL PREFIXES (LESS THAN BU)
•
•
•
•
-1
10
DECI (d) 1 X
(TENTH)
-2
CENTI (c) 1 X 10 (HUNDREDTH)
MILLI (m) 1 X 10-3 (THOUSANDTH)
-6
MICRO (μ) 1 X 10 (MILLIONTH)
-9
10
• NANO (n) 1 X
(BILLIONTH)
-12
• PICO (p) 1 X 10
(TRILLIONTH)
METRIC CONTINUUM
“NUMBER” LINE OF THE
METRIC PREFIXES
EACH SPACE IS A UNIT OF
TEN (1 SPACE = 10,
3 SPACES = 1000)
TO CONVERT BETWEEN UNITS
USING THE METRIC CONTINUUM
1. FIND STARTING PREFIX ON
NUMBER LINE
2. MOVE ALONG NUMBER LINE TO
NEW PREFIX (NOTE THE DIRECTION
& NUMBER OF SPACES YOU MOVED)
3. MOVE THE DECIMAL TO ITS NEW
POSITION
EX: 75 cm = ? nm
START AT c, MOVE TO THE RIGHT
TO n. YOU MOVED 7 SPACES.
MOVE THE DECIMAL FROM
ORIGINAL POSITION 7 SPACES
TO THE RIGHT.
75
cm = 750 000 000 nm
ORIGINAL
DECIMAL
MOVED ORIGINAL
DECIMAL TO NEW
POSITION
PRACTICE PROBLEMS
COPY AND WORK.
1) 345 g = ? µg
2) 0.0042 mm = ? dam
3) 47.09 kL = ? GL