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In this engineering activity, learners explore simple machines and then build cardboard automata using cams.

Learners complete a series of hands-on and investigative activities to explore cumulus clouds.

This activity (on page 2 of the PDF under SciGirls Activity: Kites) is a full inquiry investigation into how a kite’s shape affects its performance.

In this activity, learners construct models of plants that are adapted to living under specific environmental conditions.

In this activity (page 4), learners work in groups to plan and build large structures using recyclable materials they have brought from home.

This activity (on pages 13-18) has learners build a model tree and then figure out how to make their tree stand up by itself.