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

This paper describes a working-model demonstration of Ernest Rutherford's 1911 experiment about the nature of atoms.

In this engineering activity, young learners investigate multi-level buildings.

In this design challenge activity, learners invent an emergency shelter that can fit a person and is sturdy and quick to build.