Big Idea 9: Changes in Matter. Law of conservation of mass , physical and chemical changes, and effects on chemical changes. Benchmark Number & Descriptor. SC.8.P.9.1
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Law of conservation of mass, physical and chemical changes, and effects on chemical changes
Explore the Law of Conservation of Mass by demonstrating and concluding that mass is conserved when substances undergo physical and chemical changes.
Differentiate between physical changes and chemical changes.
Investigate and describe how temperature influences chemical changes.
Whether a substance goes through a physical or chemical change, the Law of Conservation of Mass always exists.
1. Explain the difference between a physical and chemical change.
2. Give an example of both a physical and chemical change.
3. State the Law of Conservation of Mass.
4. Give an example which follows the Law of Conservation of Mass.