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

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

Learners will build and experiment with their own windmills made from simple household materials.

In this chemistry challenge, learners combine acids and bases in a universal indicator to create five different colors.

Learners are challenged to create solutions that conduct electricity and make a buzzer buzz (or an LED light up).