GPS Accuracy & Precision

GPS Accuracy and Precision Report

Create a web page about this lab activity. Include the following:

1. What was the goal of this activity?
2. Add the 2 pictures, below, to your report. Describe the accuracy and precision of the two pictures.
3. Show how the equipment was set up and tell what you did.
4. Include your data.
5. Questions to answer about your data:

Did every marble hit the same spot on the floor each time?
   WHY did the marble not hit the same spot? What caused the differences?
      (this is called 'sources of error')

Are your results accurate?   Precise?   Neither? Both?

What did you do differently for Trial # 1 and Trial #2?
Compare your Trial #1 and Trial #2.   Is one more precise? Is one more accurate?

What can you do to make your results more accurate?
   What can you do to make your results more precise?

Read this article about GPS accuracy. What does accuracy mean related to a GPS?
     BONUS POINTS: can you find an error in the article?