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Make a copy of the first stethoscope with only a cardboard tube! René Laennec invented the first stethoscope in 1819 using an actual paper tube!

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

In this activity, learners build water-propelled engines from soft drink cans.

In this activity, learners explore trebuchet design. Teams of learners construct trebuchets from everyday materials.