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10 Cards in this Set
- Front
- Back
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What is the international system of units
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The General Conference on Weights and Measures has replaced all but one of the definitions of its base (fundamental) units based on physical objects (such as standard meter sticks or standard kilogram bars) with physical descriptions of the units based on stable properties of the Universe
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What is Quanity
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>length
>Mass >Time >Current >temperature >Amount >Luminous Intensity |
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What is unit
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1.Meter
2.Kilogram 3.second 4.Ampere 5.Kelvin 6.Mole 7.Candela |
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what is the symbol for quanity and unit?
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1.m
2.kg 3.s 4.A 5.K 6.Mol 7.Cd |
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How to measure length
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The meter(m) is the standard SI Unit of length
1 Kilometer(KM)=1000cm 1 Meter=100 centimeters(CM) 1 Meter=1000 millimeter(MM) |
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what are some examples of length
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~a doorknob is about one meter from the floor.
~a paperclip is about one centimeter wide. ~A dime is about one millimeter thick ~Five city blocks are about one kilometer long. DEFINITION-A METER IS THE DISTANCE LIGHT TRAVELS IN A VACCUM IN 1/299,792,458 OF A SECOND. |
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How to measure Mass?
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The kilogram(kg) os the standard unit of mass.
1 kilogram (kg)=1000 grams(g) 1 Gram (g)= 100 milligrams (mg) |
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what are some examples of mass
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~Three cans of soda have a mass of about 1 kilogram
~A paperclip has a mass of about one gram. ~A grain of salt has a mass of about one milligram. DEFINITION- A KILOGRAM IS DEFINED AS THE MASS OF THE STANDARD KILOGRAM STORED IN FRANCE. |
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How to measure temperature.
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Temperature is the measure of the average kinetic energy of a substance.The Kelvin is the Si base unit of temperature.
K=`C+273 `C=K-273` |
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How to measure volume
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Volume is the measure of the amount of space an object or substance occupies
Volume=length*width*height 1 milliliter(ml)=1 cm cubed 1 liter(l)=1000 ml MEASURE THE VOLUME OF LIQUIDS IN A GRADUALED CYLINDER MEASURE THE VOLUME OF AN IRREGULAR SOLID BY DISPLACEMENT |
