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Chem 1

Lesson: Physical quantities

QuestionAnswer
Mass is? Is the actual amount of matter that a substance contains
Is mass and weight the same? True or False. False
Weight is? Is a measure of the gravitational attraction exerted by the center of gravity upon a body
Is mass a constant or variable? constant
Is weight a constant or variable? variable
It is the distance between two points. It is the measurement of something from to end or along its longest side Length
Is the interval between two events, and employs units quite familiar to us - days, hours, minutes, and seconds Time
It is not a fundamental unit as it is derived from length Volume
It is calculated by multiplying the length, width, and depth/height Volume
It can be measured using graduated cylinder, a burette, a pipette or a volumetric flask Volume
Temperature is? Is the degree of hotness or coldness of a body. It is the property of matter that determines the direction of heat transfer.
Temperature is measured by what device? Thermometer
Base temperature of Kelvin? 273.15 k
Base temperature of Celsius? 0 celsius
Base temperature of Fahrenheit? 32
Who made the Kelvin unit? William Thomson, or Lord Kelvin, a Scottish Physicist
It is a problem-solving method that uses the fact that any number or expression can be multiplied by one without changing its value. Factor Unit Method
Created by: annebelle
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