Chapter 4: Metric System
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Chapter 4: Metric System Chapter 4: Metric System Standard Units & Standard Units & Metric Conversions Metric Conversions
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Chapter 4: Metric System. Standard Units & Metric Conversions. What is Metrics?. Based on factors of ten. Also Called International System (SI). Why use metrics in science?. Factors of ten are much easier to work with. - PowerPoint PPT Presentation
Transcript of Chapter 4: Metric System
Chapter 4: Metric SystemChapter 4: Metric System
Standard Units &Standard Units &Metric ConversionsMetric Conversions
What is Metrics?What is Metrics?
Based on factors of tenBased on factors of ten
Also Called International System (SI)Also Called International System (SI)
Why use metrics in Why use metrics in science?science?
Factors of ten are much easier to Factors of ten are much easier to work with.work with.
Research does not just occur in Research does not just occur in the U.S.—a global community the U.S.—a global community requires a universal measuring requires a universal measuring system.system.
Standard UnitsStandard Units
LengthLengthMassMassTimeTimeTemperatureTemperatureAmount of substanceAmount of substance
meterkilogramsecond
Deg. Celsiusmole
Derived UnitsDerived Units
AreaAreaVolumeVolume
DensityDensityConcentrationConcentrationEnergyEnergy
Square meter (m2)Cubic meter (m3)
Though this is the standard, we will Though this is the standard, we will mostly use liters!mostly use liters!
Kg/m3
Moles/literJoules (force x length
Metric PrefixesMetric Prefixes
Each prefix signifies an amount of Each prefix signifies an amount of base units represented.base units represented.
King Henry Died by drinking
cockroach milkshakes!!!
Kilo-Kilo- 10001000Hecto-Hecto- 100100Deka-Deka- 1010Base unitBase unitDeci-Deci- .1 or 1/10th.1 or 1/10thCenti-Centi- .01 or 1/100th.01 or 1/100thMilli-Milli- .001 or 1/1000th.001 or 1/1000th
Other prefixesOther prefixes
Mega- 1 000 000Mega- 1 000 000Giga-Giga- 1 000 000 000 1 000 000 000Tera- 1 000 000 000 000Tera- 1 000 000 000 000
Micro- .00001 or 1/1000000thMicro- .00001 or 1/1000000thNano- .000000001 or 1/billonNano- .000000001 or 1/billonPico- .000000000001 Pico- .000000000001
268 grams =_____milligrams 5,638 centimeters =___meters
8 meters =_____Kilometers
Sample ProblemsSample Problems
.0096 Kilograms =_____decigrams 13 liters =_____deciliters
2.85 milliliters =___centiliters
2.5 centigrams =_____grams
Sample ProblemsSample Problems
28 Decameters =____Kilometers .03 Kilometers =____centimeters
8 liters =____deciliters
Sample ProblemsSample Problems
