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In this design challenge, leaners attempt to build a strong structure out of LEGO® bricks that can withstand a 4-foot drop.

In this activity (on page 2 of PDF), learners make their own totem poles out of recycled materials.

This activity explores the basic workings of a siphon, which is the core technology that makes toilets work.

Learners build models of sinkholes to gain an intuitive knowledge of their physical aspects.

In this activity, early learners combine pre-cut recognizable shapes and their own abstract ideas to make representational pictures (e.g. houses, trees, shoes).