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In this activity, learners explore how ordinary marshmallows expand when heated in a microwave.

In this activity, learners cook amino acids and sugar to explore the range of aromas released.

In this activity, learners investigate vitamin C.

In this chemistry activity, learners are asked to form a hypothesis about the behavior of milk as household detergents act upon it.

In this activity (on page 2 of PDF), learners mix oil and water. Then, they add soap and observe what changes! The activity demonstrates how oil and water don't mix, except when soap is added.

In this physics demonstration, learners will be surprised when a lemon slice appears to magically levitate within a pint glass.

In this quick activity, learners observe how the added sugar in a can of soda affects its density and thus, its ability to float in water.

In this chemistry demonstration, learners investigate the rule "likes dissolve likes" by combining three, immiscible liquids to create a colorful density column.

Learners combine different plant solutions -- made from fruits, vegetables, and flowers -- with equal amounts of vinegar (acid), water (neutral), and ammonia (base).