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Scientific Measurements: Accuracy, Precision & Percentage Error

Instructions:

Choose an answer and hit 'next'. You will receive your score and answers at the end.

question 1 of 3

A measure of how closely repeated measurements agree with each other is:

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1. A measure of how close your measurements are to a true or accepted value of the measured quantity is called:

2.

You measure the mass of a block five times and get the following values: 0.48 g, 0.51 g, 0.50 g, 0.49 g, 0.50 g

The true mass is known to be 0.60 g. How would you characterize your measurements?

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About This Quiz & Worksheet

Measurements are the most important part of any scientific experiment. This quiz will gauge your understanding of how to achieve the best possible measurements and how to determine percentage of error in your results.

Quiz & Worksheet Goals

This assessment will test your understanding of scientific measurements including:

  • Key terms
  • Measurements processes
  • Percentage of error

Skills Practiced

  • Reading comprehension - ensure that you draw the most important information regarding scientific measuring
  • Problem solving - use acquired knowledge to solve practice problems involving percentage of error
  • Distinguishing differences - compare and contrast topics from the lesson, such as accuracy and precision

Additional Learning

For more information about scientific measurements, review the lesson titled Scientific Measurements: Accuracy, Precision & Percentage Error. This article goes into further details including:

  • Accuracy
  • Precision
  • Calculations and percentage of error
  • Equation examples
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