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Parachuting at Grafton MiddlePosted On: 4/22/2011 |
Theresa Zeytoonian's sixth grade science class experiments with gravitational potential and kinetic energy using parachutes. |
Parachuting at Grafton MiddlePosted On: 4/22/2011 |
Theresa Zeytoonian's sixth grade science class experiments with gravitational potential and kinetic energy using parachutes. |