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Movers
Materials:
per team: marble or other
small object; balloon, three straws, tape, 30 feet of string or thread,
large rubber band, two paper clips, square of cardboard, scissors, piece
of cloth
Procedure:
Use the first 7 minutes to
lay out the task and plan strategies, 12 minutes to construct and test
the marble movers, 7 minutes for teams to talk about strategies and
problems.
Have
students work in teams, Challenge them to build something that will move
a marble (or other small object) across the room. Set the rules:
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The
object cannot touch the ground,
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The
object cannot be moved across the room by a person. (They may
not throw it.)
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Students
can only use the materials they are given.
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After
students hove designed and tested their constructions, invite them to
talk about the ideas they had, the strategies they used, and the
problems they encountered.
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