Name Date
Period
Introduction to Measurement
Worksheet 1
Uncertainty in Length Measurements
Measurements are often written as a single number rather than a range. When you
write the measurement as a single number, it's understood that the last figure had to be
estimated. Consider measuring the length of the same object with two different rulers.
1. Give the correct length measurement for
the steel pellet for each of the rulers, as a
single number rather than a range.
16
Left Ruler:
Inches

Inches
Right Ruler:
Uncertainty in Volume Measurement
Use the bottom of the meniscus (the curved interface