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History of Siege Weapons
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In this activity (page 10 of the PDF) learners will explore the historical progression of siege weapons to gain an understanding of how the addition and modification of parts can change the efficiency

Robot Basketball
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In this activity, learners explore accuracy and precision.

Clipper Creations
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In this activity, learners create a working model of a nail clipper. This activity helps learners learn the basic principles of simple machines, engineering design and model building.

Action Figure
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In this project, students explore how levers work, by making a puppet with moving limbs.