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In this engineering challenge, learners design and build a crane out of cardboard to see how heavy a load it can lift.

Learners work with plastic sheeting, masking tape, and string to design the perfect material for plastic chair webbing, and then construct their webbing.

This activity (on page 2 of the PDF under SciGirls Activity: Tug O' War) is a full inquiry investigation into tug-of-war physics. Groups of learners will test two tug-of-war strategies.

In this activity, learners simulate Otto von Guericke's famous Magdeburg Hemispheres experiment.