Balancing Nails- Harmony PBL 2013-2014

In this Experiment i will be demonstrating Center of gravity by balancing 10 nails on top of one nail head. „Harmony Public Schools: Where Excellence is Our …

Title: Balancing Nails- Harmony PBL 2013-2014

Duration: 2:30

Submited by: lady-admin

Category: Models

Added on: Februar 1st, 2014

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