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How do chemists reach 100% efficiency in a reaction? And, why is efficiency so important? Young chemists answer this question and learn how, by using catalysts that can maximize yield and reduce waste.
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Instructional Ideas
- Prior to showing the video, have the class write down the ingredients they need to make a cake (not the kind from a box!), then have them note what each ingredient does; demonstrate cause and effect by discussing what would happen to the cake if each ingredient was not used
Classroom Considerations
- Does not require any prior knowledge
- Check understanding of the concepts by discussing the possible effects of unused reactants in a reaction (low yield, waste, etc.)
- 11th installment in a 12-part Green Chemistry series
Pros
- The content reinforces the Green Chemistry Principle of practicing safe, efficient science
- Animations serve to make the topic easy to understand for pupils of all achievement levels
Cons
- None