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Measurement challenge

Measurement challenge. Learning to use vernier calipers. First, let’s review. OK, now let’s review. Make some measurements. In groups of 2, measure the various things around the room and put your answers in a spreadsheet

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Measurement challenge

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  1. Measurement challenge Learning to use vernier calipers

  2. First, let’s review

  3. OK, now let’s review

  4. Make some measurements • In groups of 2, measure the various things around the room and put your answers in a spreadsheet • Make all measurements in millimeters, and estimate to the 10th of a millimeter • Example: length=13.3 millimeters • Make the measurements once with rulers, and then again with vernier calipers

  5. Write a hypothesis • Write a hypothesis about whether rulers or vernier calipers are better for making length measurements (or maybe you think they’re equal) • Be prepared to share your hypothesis with the class

  6. Analysis • In your groups of 2, download the spreadsheets and look at the measurements. • Record the average value and standard deviation for each measurement, and indicate whether it was made with a meter stick or a caliper. • Put the averages and standard deviations in a Word document with “Insert Equation” • Based on the standard deviations, are the calipers more precise? If so, by how much?

  7. Write a conclusion • Write a conclusion that states whether your hypothesis was supported • Indicate whether rulers or vernier calipers are better for making measurements (or if they’re equal) • Refer to your analysis when writing your conclusion

  8. Write a lab report . . . • Download “Caliper Measurement Report” from the T-Drive • Complete the report with the data from your assigned spreadsheet • Be prepared to share your results • Put the document in the appropriate drop folder (T-Drive>>Share with Students>>Drop Folders>>00 Bricker>> etc.) • Remember to save it to your desktop and drag it into the drop folder

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