SME
Grade 10 Science
Measurement, significant figures and dimensional analysis
The main lesson, then each kind of problem it solves.
Measurement, significant figures and dimensional analysis
Main lesson
One conversion factor
Use this to change kilometers to meters with one conversion factor.
Converting a rate
Use this to change a speed in kilometers per hour to meters per second.
Reading a ruler to the estimated digit
Use this to read a rod’s length from its start and end, to one digit past the smallest marks.
Accuracy, precision and percent error
Use this to judge a set of trials against the accepted value and find the percent error.