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In this math lesson, learners analyze the density of liquids in order to explore linear functions.

In this activity, learners separate materials based on their special properties to mimic the way recyclables are sorted at recycling centers.

In this activity, learners test and compare the physical properties of thermoplastic polymers. Learners compare different plastics based on their color, degree of transparency, texture, and density.

In this activity, learners identify different plastics in a mystery bag. Learners discover that plastics are classified #1 through #7.

This hands-on experiment will provide learners with an understanding of the issues that surround environmental cleanup.

In this activity, learners discover what buoyancy is and determine the characteristics that make an object buoyant. Learners design, build, test, and evaluate boats made from a variety of materials.

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.