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Chemistry 08-22-2016

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Christopher Horras

on 22 August 2016

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Transcript of Chemistry 08-22-2016

Chemistry
August 22nd, 2016
Complete the following in your notes:
Precision
Accuracy
1) Can a measurement be accurate and not precise? Explain.



2) Can a measurement be precise and not accurate? Explain.


The accuracy of a measurement is how close a result comes to the true value.
Precision refers to the closeness of two or more measurements to each other.
Precision and Accuracy in the Melting Ice Investigation
Class Activity 2
1) Which of the following is a more appropriate tool for measuring volumes in the laboratory?
or
Graduated Cylinder
Beaker
2) Write a short paragraph explaining how to use a graduated cylinder to measure the volume of a liquid.
3) What should you report for the volume of the liquid measured in the picture to the right?
Measuring with a Graduated Cylinder
4) Explain how a set of measurements can be precise without being accurate.
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