Each group needs:

• LEGO MINDSTORMS NXT robot, such as the NXT Base Set
• LEGO MINDSTORMS Education NXT Software 2.1
• computer, loaded with NXT 2.1 software
• LEGO MINDSTORMS NXT brick (for example, part # 9841, for $148, available at http://shop.lego.com/en-US/NXT-Intelligent-Brick-9841?CMP=AFC-BP6648365778&HQS=9841)
• LEGO/HT- NXT Accelerometer/Tilt Sensor (MINDSTORMS), for $60, available at http://shop.lego.com/en-US/Accelerometer-Sensor-for-MINDSTORMS-NXT-285272
• laptop for data logging (must be able to run Microsoft Excel®)
• Accelerometer Survey, one per student
• Accelerometer Worksheet, one per student