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Natural Science - Year I

Unit 6: Measurement Errors

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Lab Assignment for Unit 6

This Unit's Homework Page History Lecture Science Lecture Lab Parents' Notes

Natural Science Unit 6 Laboratory Activity:
Understanding Error in Experimental Data

Goal: To identify sources of error and understand propagation of error.

Materials and Equipment:


  1. Have each observer measure all four sides of your rectangular (or square) object. Record each measurement.
  2. Have each observer identify the center of your circular object and measure its radius in at least three different directions from the center to the edge of the object. Record each measurement.
  3. Have each observer measure the radius of your cylinder and its length.

Data Analysis: