Astronomy Lab #9

# Astronomy Lab #9 - Partner Date Performed Date Due Lab#1...

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Partner: Date Performed : 9-6-07 Date Due: 9-13-07 Lab #1: Impact Craters Introduction : The purpose of this lab is to familiarize the student with the process by which so many planets’ surface has become pock-marked with craters. The purpose is also to determine how the size and velocity of the impacting body affects the size of the crater that is created. Procedure : In this lab, the first step was to drop each of the spheres from a height of 1 meter upon measuring the diameter of each. We then measured the crater diameter to the nearest mm from the peak of one wall to the peak of the opposite wall using a centimeter scale. We then dropped the same sphere multiple times from the same height to measure the error of measurement. The next step was to drop the same sphere multiple times starting at 1 meter and then 10 centimeters lower each time until the last drop at 10 cm. After recording all the results on paper, the lastly had to graph and evaluate all of our data to make conclusions. Data / Results : 1.) Effect of the Impactor Size Diameter of sphere (mm) Diameter of Crater (cm) 20.0 7.0 19.1 6.75 17.6 6.1 15.0 5.8 12.7 4.4 9.7 3.6

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Astronomy Lab #9 - Partner Date Performed Date Due Lab#1...

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