Name ________________________________________________ Date
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Using Scientific Method to Build Notecard Bridges
PROBLEM: How can I design a bridge to hold 1.0 kg out of just 4 notecards?
Materials:
Rules:
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4 notecards
1-inch clear tape
4 books
Weights
Scale (if needed)
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The “roadway” must be a flat surface.
There must be at least 3.5 inches of
unobstructed space underneath the
bridge.
Types of Bridges:
HYPOTHESIS #1:
Sketch:
RESULT: _____________
HYPOTHESIS #2:
Sketch:
RESULT: ______________
HYPOTHESIS #3:
Sketch:
RESULT: ________________
ANALYSIS:
Make a bar graph on the next page, comparing the results of the three hypotheses.
Control:
Independent Variable:
Dependent Variable:
CONCLUSION: Based on your analysis of your results, what is the best bridge design?