There's no better motivator than candy! An engaging activity has pupils explore methods for separating mixtures. A two-part lab first explores methods of separation based on size and magnetism. The second activity introduces learners to chromatography as they separate the dyes in Skittles and M&M's.

Concepts

mixtures, separating mixtures, chromatography, paper chromatography

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Additional Tags

science

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Instructional Ideas

• Use the concept questions to check for understanding

Classroom Considerations

• Requires many specific materials for the lab activity
• Expects an understanding of chemical mixtures

Pros

• Uses common household items that are readily available
• Provides material for a prelab lecture

Cons

• None