Balance and Gravity:Explore the forces of the earth and be an engineer!
This event has already taken place. Click here for the latest events.Add to Calendar 23-08-2014 23-08-2014 15 Balance and Gravity:Explore the forces of the earth and be an engineer! Learn the differences between weight and mass, and make a see-saw style balance to take home. http://www.nymetroparents.com/2015neweventinfo.cfm?id=168242 Long Island Science Center true DD/MM/YYYY
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