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Learners are challenged to discover the relative densities of colored liquids to create a rainbow pattern in a test tube.

In this chemistry lab activity, learners model the colors of fireworks by burning metallic solutions in a flame and observing the different colors produced.

In this activity, learners make their own heat waves in an aquarium.

This is an activity exploring color and color mixing.

In this four-part activity, learners explore light and sound through a variety of hands-on investigations.