Instrument Precision Worksheet
Understand and apply concepts of instrument precision, accuracy, and significant figures in scientific measurements for grade 8 science.
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Instrument Precision Worksheet
Name:
Date:
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Read each question carefully and answer to the best of your ability. Pay close attention to details about measurement, precision, and accuracy.
1. Which of the following best describes the precision of a measurement?
How close a measurement is to the true value.
How close repeated measurements are to each other.
The amount of error in a measurement.
The unit of measurement used.
2. An instrument with smaller divisions on its scale generally provides measurements with greater:
accuracy
precision
reliability
validity
3. The term refers to how close a measurement is to the true or accepted value.
4. When recording a measurement, you should always estimate one digit beyond the smallest mark on the .
5. A precise measurement is always an accurate measurement.
True
False
6. Significant figures indicate the precision of a measurement.
True
False
7. Explain the difference between precision and accuracy in your own words, using an example.
8. Observe the image of measuring tools below. If you were to measure the length of a small object, which tool would likely provide the most precise measurement? Explain your reasoning.
