Test Objectives: Measurement, Metric System, Significant Features, Graphing
· Know the steps of the Scientific Method: observation, hypothesis, procedure experiment, conclusion
· Know the difference between theory & law
· Recall the rules for rounding numbers
· Be able to measure length, mass & volume using SI units
· Be able to perform conversions within the metric system
o examples: convert meters to centimeters, kilograms to grams, liters to cm3
· Know how to derive other units from the fundamental SI units
o example: volume from length, width & height
· Be able to determine the calibration of any measuring devise
· Be able to determine the number of significant figures (sig figs) in a measurement
· Be able to determine the correct number of sig figs for measurement calculations
· Know how to measure the mass & volume of various objects
· Be able to calculate the density of any object using the formula: D = M/V
¢ be able to rearrange the density equation to solve for M or V, given values
for 2 of the 3 variables
· Be able to perform percentage of error calculations using the formula from reference table T
· Understand the relationship between sig figs and the calibration of the measuring device
· Be able to convert from conventional notation to scientific notation and the reverse
· Be able to perform calculations using scientific notation
· Know the definitions of temperature & absolute zero
· Know the relationship between Celsius & Kelvin scales & why are used interchangeably
· Be able to convert from °C to K and from K to °C
· Know the characteristics of a good graph and be able to graph simple data
¢ both axes (x and y) must be labeled appropriately
¢ scale of each axis must be uniform
¢ graph must have an appropriate title
¢ all data points must be graphed
¢ best fit line/curve must be drawn through data points