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This teacher-directed demonstration provides a conceptual understanding of latent heat. Using the example of a chemical hand warmer, students learn about phase changes from liquid to solid and from solid to liquid and observe that one of these phase changes releases heat while the other requires heat to be added. These concepts are then reinforced in a demonstration which involves heating water and ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Presentation / Demo
Subject: Chemistry
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Educational standards associated with this resource:
National Science Education Standards (NSES): Read
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This resource is included in the following collections:
New York Instructional Collection    Browse collection