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Published byLetitia Morris Modified over 5 years ago

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METRIC SYSTEM MEASUREMENT SYSTEM IN SCIENCE

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A DECIMAL SYSTEM (BASED ON UNITS OF 10) DEVELOPED BY A FRENCH MATHEMATICIAN NAMED GABRIEL MOUTON aka SYSTEME’ INTERNATIONAL (SI)

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HOW IT WORKS BBBBASIC UNITS (BU) OF MEASURE 1111) METER (m) MMMMEASURES LENGTH 2222) LITER (L) MMMMEASURES VOLUME

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3) GRAM (g) MMMMEASURES MASS 4) TIME (sec) MMMMEASURES INTERVAL BETWEEN EVENTS *****THERE ARE MANY MORE

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PREFIXES ARE USED TO SHOW MAGNITUDE (SIZE). LARGE PREFIXES (GREATER THAN BU) TERA (T) 1 X 10 12 (TRILLION) GIGA (G) 1 X 10 9 (BILLION) MEGA (M) 1 X 10 6 (MILLION) KILO (k) 1 X 10 3 (THOUSAND) HECTO (h) 1 X 10 2 (HUNDRED) DECA (da) 1 X 10 1 (TEN)

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SMALL PREFIXES (LESS THAN BU) DECI (d) 1 X 10 -1 (TENTH) CENTI (c) 1 X 10 -2 (HUNDREDTH) MILLI (m) 1 X 10 -3 (THOUSANDTH) MICRO (μ) 1 X 10 -6 (MILLIONTH) NANO (n) 1 X 10 -9 (BILLIONTH) PICO (p) 1 X 10 -12 (TRILLIONTH)

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METRIC CONTINUUM “NUMBER” LINE OF THE METRIC PREFIXES “NUMBER” LINE OF THE METRIC PREFIXES EACH SPACE IS A UNIT OF TEN (1 SPACE = 10, EACH SPACE IS A UNIT OF TEN (1 SPACE = 10, 3 SPACES = 1000) 3 SPACES = 1000)

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TO CONVERT BETWEEN UNITS USING THE METRIC CONTINUUM 1. FIND STARTING PREFIX ON NUMBER LINE 1. FIND STARTING PREFIX ON NUMBER LINE 2. MOVE ALONG NUMBER LINE TO NEW PREFIX (NOTE THE DIRECTION & NUMBER OF SPACES YOU MOVED) 2. MOVE ALONG NUMBER LINE TO NEW PREFIX (NOTE THE DIRECTION & NUMBER OF SPACES YOU MOVED) 3. MOVE THE DECIMAL TO ITS NEW POSITION 3. MOVE THE DECIMAL TO ITS NEW POSITION

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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.

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75 cm = 750 000 000 nm 75 cm = 750 000 000 nm MOVED ORIGINAL DECIMAL TO NEW POSITION ORIGINAL DECIMAL

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PRACTICE PROBLEMS COPY AND WORK. COPY AND WORK. 1) 345 g = ? µg 1) 345 g = ? µg 2) 0.0042 mm = ? dam 2) 0.0042 mm = ? dam 3) 47.09 kL = ? GL 3) 47.09 kL = ? GL

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