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- Chemical Reactions Presentation (Spanish Version)
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Prove the Law of Conservation of Mass through a lab investigation. A well-designed lesson asks groups to combine materials and monitor indicators for chemical reactions. Measuring the mass of the reactants and products allows individuals to prove the conservation of mass.
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Instructional Ideas
- Begin with demonstrations of chemical reactions with different indicators of reactions
Classroom Considerations
- Lab investigations require specific materials and time for preparation
- Review safety procedures with pupils prior to the activity
Pros
- Builds on prior knowledge of balancing chemical equations
- Includes an extension activity
Cons
- None