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This The Colligative Properties of Solutions lesson plan also includes:
How can you relate colligative properties of solutions to everyday situations? Pupils first discuss the concepts of density, boiling and freezing points, then demonstrate how to accurately determine the boiling and freezing point of antifreeze. The exercise provides individuals with knowledge of a chemical used every single day for those with automobiles and teaches them the importance of proper auto care, with a scientific twist.
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NGSS:
Adaptable
Concepts
Additional Tags
Instructional Ideas
- Assign individuals a research paper on antifreeze and the harmful effects of ingestion, most often with pets
- Plan a trip to an automotive shop to witness how antifreeze plays an important part in the radiator of a vehicle
Classroom Considerations
- Do not allow students to ingest ethylene-glycol because this is toxic; ensure they understand the importance of safety, especially with this chemical
- Ensure pupils do not overheat the substance and take precautions to avoid burns or other potential accidents
Pros
- includes two sets of activities to allow individuals multiple options for learning
- Extensions of the experiments may be performed, thus providing pupils with the ability to relate the lesson to everyday circumstances
Cons
- None