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In this activity on page 9 of the PDF, learners test how flavoring extracts move through the walls of a balloon.

This activity uses Jell-O(R) to introduce learners to microfluidics, the flow of fluids through microscopic channels.

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

In this activity on page 2 of the PDF, learners test different materials to find out which is the best insulator.

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