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Learners observe working lava lamps to understand how they work (included in PDF link).

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 add food coloring to hot and cold water in order to see how fluids at different temperatures move around in convection currents.

In this activity, learners explore the concept of density-driven currents (thermohaline circulation) and how these currents are affected by climate change.