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This interactive demonstration reintroduces learners to three states of matter (solid, liquid, gas), and introduces them to a fourth state of matter, plasma.

This activity about density provides instructions for making a miniature "lava lite" with just salt, oil, water, and food coloring.

Learners create beautiful fluid motion. They explore fluid dynamics, surface tension, solubility, and buoyancy while mixing liquids together.

Learners investigate how the temperature of water affects its density.