Learning ... how sweet it is! A hands-on lesson uses colored candies to demonstrate how positive and negative charges interact. Pupils use different types of liquids and watch as the color from the candies spreads—or doesn't. 

Concepts

liquids, dissolving, mixtures, solutions

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Instructional Ideas

• Try different types of colored candies and compare results
• Use during a unit on mixtures

Classroom Considerations

• Requires a specific set of materials at time for set up

Pros

• Emphasizes scientific principles observed in the activity
• Provides visuals to aid in explanations

Cons

• None