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From: West Vincent Elementary School
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Added: 05-09-2009Description:
Hold a marble about 2 feet off the ground and drop it. It falls pretty fast, doesn't it? How could you get the marble to the ground as slowly as possible? Here's your engineering challenge: Design and build a pathway for the marble to move on. Put in at least two obstacles to slow down the marble.
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Media ID: 34070
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