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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.

In this activity, learners investigate what happens when you build up static electricity on plastic balls.

In this nanoscience activity, learners discover that it's easy to pour water out of a regular-sized cup, but not out of a miniature cup.

In this design challenge activity, learners make a balloon hover at eye level for five seconds, and then make it move by creating air currents.