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Chem 1

Lesson: 9 Units of Measurements

QuestionAnswer
are expressed in number values and units. measurement
Two types of system of units metric system, English system
What system of units is used by the rest of the world? Metric System
What system of units is base-10 system? Metric System
What system of units is "Variation : mks and the cgs sytem"? Metric System
What system of units is "mks : meter, kilogram, seconds"? Metric System
What system of units is "cgs: centimeter, gram , seconds"? Metric System
What system of units is known as customary system of measurement? English System
What system of units is used in the United States, Burma and Liberia? English System
What system of units is also known as the fps stem? English System
What system of units is "fps : foot , pounds , seconds"? English System
Two types of SI units? Based and Derived
Examples of based units? length , mass, time , electric current, temperature, amount of substance and luminous intensity.
Examples of derived units? speed, acceleration , density , work and energy .
BASED UNITS: Physical Quantity: Length Unit Name: Symbol: m meter
BASED UNITS: Physical Quantity: Unit Name: kilogram Symbol: kg Mass
BASED UNITS: Physical Quantity: Time Unit Name: Second Symbol: s
BASED UNITS: Physical Quantity: Unit Name: ampere Symbol: A Electric current
BASED UNITS: Physical Quantity: Unit Name: Symbol: K Temperature, kelvin
BASED UNITS: Physical Quantity: Amount of substance Unit Name: Symbol: mole, mol
BASED UNITS: Physical Quantity: Unit Name: candela Symbol: Luminous intensity, cd
Created by: annebelle
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