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

Learners design, build, and test models of "dragon boats" made from up to three milk cartons.

In this experiment, learners test multiple food items to see if they are an acid or base using an indicator solution created with red cabbage.

In this activity (on page 5 of PDF), learners use dry ice and household materials to make scientifically accurate models of comets.