module 1 Flashcards

memorize

1
Q

quantitative comparison of an object’s physical quantity

A

measurement

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2
Q

magnitude of a physical quantity

A

unit

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3
Q

system of measurement that is used in countries like burma, liberia and USA

A

English System

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4
Q

was created during the 1960s and based on the metric or decimal system

A

SI or Systeme international d unites (International System of Units)

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5
Q

fundamental units of measurement

A

Base Units

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6
Q

combination of physical quantities

A

derived quantities

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7
Q

derived from two or more base units

A

derived unit

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8
Q

force experienced by a body per unit area

A

Pressure

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9
Q

mathematical statement of two equivalent measurements of different units

A

conversion factor

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10
Q

measurement of hotness or coldness of matter

A

temperature

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11
Q

who introduced Fahrenheit scale?

A

Daniel Gabriel Fahrenheit

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12
Q

who introduced kelvin scale?

A

William Thomson/Lord Kelvin

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13
Q

who introduced Celsius scale?

A

Anders Celsius

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14
Q

who introduced the rankine scale?

A

William John Macquorn

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15
Q

determining the degree of conformity of a test result

A

accuracy

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16
Q

quotient of summation of all data

A

mean

17
Q

absolute value of the difference between the theoretical value

A

error

18
Q

consistency of achieving the same results

A

precision

19
Q

describes how spread out the data is

A

standard deviation

20
Q

temperature based physical quantity that is specific to pure substances and is defined as mass/volume

A

density