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Obi-Wan Adobe: Engineering for Strength

Obi-Wan Adobe: Engineering for Strength
Obi-Wan Adobe: Engineering for Strength
Obi-Wan Adobe: Engineering for Strength
Obi-Wan Adobe: Engineering for Strength
Obi-Wan Adobe: Engineering for Strength
Obi-Wan Adobe: Engineering for Strength
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Students conduct an experiment to determine how varying the composition of a construction material affects its strength. They make several adobe bricks with differing percentages of sand, soil, fibrous material and water. They test the bricks for strength by dropping them onto a concrete surface from progressively greater heights. Students graph the experiment results and use what they learn to design their own special mix that maximizes the bricks’ strength. During the course of the experiment, students learn about variables (independent, dependent, control) and the steps of the engineering design process. This engineering curriculum meets Next Generation Science Standards (NGSS).
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Teaching Duration
3 hours
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