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4 cards from this section. Quick, good the night before a test.
What is the SI unit for length?
Think of the measuring tools you've learned about.
Name one instrument used to measure mass.
What device do you think balances weight?
What is the SI unit of mass?
Think about the largest unit of weight commonly used.
True or False: Time is measured in minutes in the SI system.
What is always the base unit of time?
A laboratory student measures a metal rod's length three times and gets readings of 5.1 m, 5.0 m, and 5.2 m. What is the average length of the rod?
How do you find the average of several numbers?
Explain how an inaccurate measuring instrument could affect the results of a scientific experiment.
Think of a specific example of an experiment where precision matters.
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