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### 28 Cards in this Set

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 Units of Measurement kilo hepta deca deci centi and milli (King Henry died by drinking chocolate milk) Meter length Kilogram mass Liter Volume. Second time Kelvin Temperature 1cm3 1 ml 1dm3 1 L The name of the curve in glass meniscus How do your measure a meniscus at the lowest point Temperature the measure of how hot or cold the object is relavtice to other objects Absolute zero where all molecular motion ceases (zero kelvin) Volume the space occupied by an object (cm3) Density the ratio of mass to volume. It can be used to identify a sample of mass. D= mass/volume=g/cm3= g/ml 1.1 sink .9 float Scientific notation easy way to handle extremely large or small number. Numbers expressed in scientific notation are a product of two factors. A number betweeen 10 and 1 and ten raised to a power. Circle Graphs show parts of a whole Mole 6.022 x 10^23 Bar Graphs show how a factor varies with time, location, or temperature. Slope steepness of a line slope equation y2-y1/x2-x1 When te mass of a material is plotted against volume... the slope of the line is the density of the material significant figures reflects the precision of reported data. Answers to calculations are rounded off to maintain the correct number of significant figures. Rules for Significant Figures non-zero numbers are always significant. zeros between non-zero numbers are always significant numbers. all final zeros to he right of the decimal place are significant. zero that act as placeholders are not significant. accurate measurement close to the accepted value. it shows little variation over a series of trials there will be little variation. Percent error the ratio of an error to an accepted value. error/accepted value x100% convert kevlin to celsius minus 272 convert celsius to kelvin plus 273