Predicting Chemical Reactions

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.

3 Views 6 Downloads NGSS: Designed
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
NGSS