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3 cards from this section. Quick, good the night before a test.
What is the SI unit for length?
Think about the basic unit of length.
Name one instrument used for measuring mass.
This tool sees common use in laboratories.
What unit is used to measure mass?
Think of the weight of a common object.
True or false: Random errors can be precisely eliminated.
Consider how uncertainties behave.
You have a ruler with a 1mm accuracy and a vernier caliper with a 0.1mm accuracy. If you need to measure a small object, which one would you choose and why?
Think about how accuracy is crucial in pinpointing measurements.
If a wooden block has dimensions of 2m x 3m x 4m, what is its volume and how would you calculate its density if it has a mass of 120 kg?
First, find the volume using the dimensions, then apply the density formula.
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