Activity

Making Crystals - Salt, Alum, Borax, and Sugar

This Making Crystals - Salt, Alum, Borax, and Sugar activity also includes:

Crystalline structures have unique properties that are sure to wow classes. A hands-on lesson has learners form their own crystals using a variety of compounds. They then choose a variable to investigate to determine its impact on the formation of the crystals.

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Instructional Ideas
  • Compare and contrast the different types of crystal structures through whole group discussion
Classroom Considerations
  • Requires the use of toxic materials, so be sure to address important safety procedures
  • Allow time to collect and prepare materials prior to the activity
Pros
  • Includes a demonstration to get the group's attention
  • Offers ideas for extending the activity
Cons
  • None