Salt is the go-to material when people need to melt ice—learn the chemistry behind its effectiveness with an interactive lesson. Pupils watch a short narrative and then explore the concept through a simulation. Young scientists manipulate both temperature and salt and watch the effect on a microscopic level. 

Concepts

temperature, kinetic molecular theory, kinetic energy

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Additional Tags

science

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Instructional Ideas

• Follow the online lesson with a hands-on laboratory 

Classroom Considerations

• Requires a free account with CK-12
• Expects a basic understanding of molecular movement and bonding

Pros

• Strong visuals help learners understand the concept
• Provides questions for reflection after the interactive activity

Cons

• None