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In this activity, learners explore static electricity and electrical charges while experimenting with an inflated balloon, unflavored gelatin powder, and a wool sweater.

In this engineering activity, learners construct sturdy geodesic structures out of gumdrops and toothpicks. Use this activity to explore engineering principles as well as sturdy shapes and triangles.

In this dynamic activity, learners build a catapult that launches projectiles, such as marshmallows.

In this activity on page 7 of the PDF, learners explore how engineers characterize building materials.

In this activity on page 7 of the PDF (Water in Our World), learners make their own water treatment systems for cleaning water.