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Cross Bridge Construction

Satisfactory Essays

The independent variable is the different materials that I will use to make three bridges of the same common design, the truss design which uses triangular beams because triangles are the strongest shape to use when you build bridges. The materials that I will use to make these 3 bridges are popsicle sticks, Lego bricks, and aluminum foil.

My dependent variable how much weight each bridge can endure before the bridge breaks apart. When you add weight tension is created. (tension is a pulling force that occurs at the bottom of a bridge) when tension is applied the connecting points (glue, pieces that snap together, etc.) will unconnect so everything will fall apart and the bridge collapse to the ground.

The relationship between

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