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Activity (Hands-On)Grades 9 - 12

Android Pendulums

Materials List

Each group needs:

  • supplies for pendulum construction and attachment to ceiling, such as string, tape, cable ties, rubber bands, cardboard, binder clips
  • ceiling, from which to hang a pendulum
  • ruler, for measuring pendulum length
  • scale, for measuring the pendulum bob mass
  • protractor, for measuring the pendulum angle/amplitude
  • (optional) balance weights, to adjust the pendulum mass
  • AccelDataCapture.apk (APK), an Android application
  • Android device, such as a smartphone or tablet; must be an Android 2.2 or higher to use the AccelDataCapture.apk file
  • AccelDataCapture Documentation (PDF), one per group
  • Data Collection Sheet 1 (PDF), Data Collection Sheet 2 (PDF) and Post-Activity Quiz (PDF), one each per student
  • (optional) computers with spreadsheet software
  • (optional) computers capable of App Inventor programming