Metrics and Metrics and Significant Significant Figures Activity Figures Activity First we will examine the First we will examine the metric system then use metric system then use significant figures to make significant figures to make measurements and do measurements and do calculations calculations
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Metrics and Significant Figures Activity First we will examine the metric system then use significant figures to make measurements and do calculations.
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Metrics and Significant Metrics and Significant Figures ActivityFigures Activity
First we will examine the metric First we will examine the metric system then use significant figures system then use significant figures
to make measurements and do to make measurements and do calculationscalculations
The Metric System The Metric System Mass is measured in Mass is measured in
grams grams Length or distance is Length or distance is
measured in metersmeasured in meters Volume or capacity is Volume or capacity is
measured in liters measured in liters Time is measured in Time is measured in
seconds seconds Energy is measured in Energy is measured in
JoulesJoules Temperature is measured Temperature is measured
in Kelvin (not degrees)in Kelvin (not degrees) Quantity is measured in Quantity is measured in
molesmoles
The Liter (L) The Liter (L)
A liter is slightly A liter is slightly smaller than a smaller than a quartquart
A gallon is roughly A gallon is roughly 4 times larger than 4 times larger than a litera liter
The Meter (m)The Meter (m)
The meter is The meter is slightly longer than slightly longer than a yarda yard
1 inch = 2.54 cm 1 inch = 2.54 cm (this is the only (this is the only English to metric English to metric conversion you conversion you must knowmust know
Gram (g)Gram (g)
A gram’s mass is A gram’s mass is approximately the approximately the mass of 2 mass of 2 paperclips. paperclips.
Many medicines Many medicines are massed by are massed by their active their active ingredients in ingredients in grams or parts of a grams or parts of a gram. gram.
English to Metric ComparisonsEnglish to Metric Comparisons
Which is larger? Which is larger?
1.1. Meter or yardMeter or yard
2.2. Mile or KilometerMile or Kilometer
3.3. Gallon or literGallon or liter
4.4. Pound or gramPound or gram
5.5. Quart or literQuart or liter
6.6. Centimeter or Centimeter or inchinch
7.7. Gram or ounceGram or ounce
What is the What is the abbreviation for abbreviation for each unit? each unit?
1.1. Meter = _____Meter = _____
2.2. Gram = _____Gram = _____
3.3. Liter = ______Liter = ______
4.4. Second = ______Second = ______
5.5. Joule = _______Joule = _______
6.6. Mole = _______Mole = _______
Metric AbbreviationsMetric Abbreviations
The BASE units for the metric system are The BASE units for the metric system are gram, liter, meter, second, Kelvin, Joule and gram, liter, meter, second, Kelvin, Joule and mole.mole.
There are larger and smaller portions of There are larger and smaller portions of each of theseeach of these
Their abbreviations come in front of the Their abbreviations come in front of the unit’s abbreviation (ex. Centimeter = cm) unit’s abbreviation (ex. Centimeter = cm)
Larger and Smaller PrefixesLarger and Smaller Prefixes
LargerLarger 1 billion = GIGA (G)1 billion = GIGA (G) 1 million = MEGA 1 million = MEGA