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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 fun, hands-on autumn activity, learners experiment to discover whether the colored substances in leaves can be separated from the leaves.

In this two-part activity about luminescence, learners explore the chemistry that happens inside glow sticks and other light producing reactions.

In this activity, learners add dilute bleach solution to water that has been dyed with yellow, blue, and green food color.

In this chemistry challenge, learners systematically investigate which combination of four solutions produces a deep red color.

In this activity, learners explore how light and dark colored objects absorb the Sun's radiations at different rates.