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In this experiment, learners separate different types of molecules in marker inks (using a technique called "thin layer chromatography").

In this chemistry challenge, learners identify an unknown white powder by comparing it with common household powders.

In this chemistry challenge, learners identify which plants have the enzyme "catalase" that breaks hydrogen peroxide into water and oxygen.

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

In this activity, learners explore atoms as the smallest building blocks of matter. With adult help, learners start by dividing play dough in half, over and over again.

In this activity, learners test what happens when they put baking power on different frozen liquids.

In this challenge, learners figure out how to make a juice stain disappear.