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, 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, one per group
• Data Collection Sheet 1, Data Collection Sheet 2 and Post-Activity Quiz, one each per student
• (optional) computers with spreadsheet software
• (optional) computers capable of App Inventor programming