The class worked in six groups of three. |
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Students made cranes, merry-go-rounds, scales and clown faces using gears, pulleys, and beams. | ||
The scale can be used to weigh heavy objects when the weight is placed on the end of the arm. |
Pulleys of different sizes were used to make the face change. |
Susan Sheppard, a Marshall University math major, is the teaching assistant.