THE METRIC SYSTEM

What is it??? The Metric System – is system of measurement based on the meter, liter, and gram First proposed by Gabriel Mouton in the 1670 It’s a system of 10’s

Metric Tools for Length Length – measured in Centimeters (cm) or meters (m) using a meterstick

METRIC AS COMPARED TO AMERICAN SYSTEM

NOTICE: 1 cm = ______ mm??

TOOLS FOR MASS Mass (amount of matter in an object) measured in grams (g) using a triple beam balance

American System Comparison 1 lb butter/ cheese = 453.6 grams 50 kg = 110 lbs. 1 ounce of gold = 28,349.5 grams

Tools to Measure Volume (liquid) BEAKER – measures liquid volume in large quantities (ml) GRADUATED CYLINDER (measures liquid volume in ml)

Reading a Meniscus Meniscus – curved liquid that forms in a graduated cylinder ALWAYS READ BOTTOM OF CURVE!!!

American System Comparison 3.79 liters = 1 gallon 1 quart = .946 liters

Tools for Temp and Time Temp – DEGREES CELSIUS TIME - SECONDS

METRIC CONVERSIONS

METRIC CONVERSIONS

USE A SAYING TO HELP YOU!! KING HENRY DIED UNEXPECTEDLY DRINKING CHOCOLATE MILK

LET’S PRACTICE 5 km _________m 40g _________kg 75.8 mg ________ g 4. 98.3 kl _________ l

REFERENCE EXAMPLES Small car = 2 metric tonnes Paperclip = 1 gram Dictionary = 1 kg Field about 90 m

More References TSP of milk = 5 ml Fingernail = 1 cm Small soda = 1 liters Normal soda = 2 liters Credit card = 1 mm thick Guitar = 1 m long