Candy rocks! A sweet lesson offers a different take on the rock candy experiment. Groups use a supersaturated sugar solution to create rock candy. Pupils then add other ingredients to the solution to test their effect on the crystallization process. 

Concepts

crystals, crystal formation, sugar, saturated solutions

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Additional Tags

science

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Instructional Ideas

• Provide each group with a different additive

Classroom Considerations

• Activity requires two class periods with three days in between the class periods
• Variety of additives is necessary in addition to sugar; see materials list for specific information
• The second lesson of the series of three

Pros

• Includes a procedure handout for learners
• Provides ways to scale activity for lower and upper grade levels

Cons

• Resource contains some formatting issues