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Let's stick together! Pupils become immersed in the world of emulsifiers as they complete part 11 of a 14-part series of videos discussing the states of matter. The narrator describes common emulsions and how emulsifiers work to hold all of their components in place.
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Instructional Ideas
- Prepare a flask of cooking oil and water for the class to shake to demonstrate immiscibility; don't forget the stopper!
- Pause the video when directed to allow science scholars to come to their own conclusions about emulsions
Classroom Considerations
- Pupils should have prior knowledge of solution chemistry
Pros
- The narrator's use of ice cream as a model emulsion puts the content in student-friendly terms
- Animations provide a boost for visual learners to help understand how an emulsifier works
Cons
- None