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LAB 4 Observations of Chemical and Physical Change Part 1

Satisfactory Essays
LAB REPORT 4
Observations of Chemical and Physical Change PART 1 – OBSERVATIONS OF CHEMICAL CHANGE

No credit will be given for this lab report if the Data section is not completely filled out and if the required photographs are not received. At least one photograph must show the student’s face.

OBJECTIVES
1. Observe physical and chemical changes.
2. Define physical and chemical change.
3. Identify the relationship between a chemical change and a chemical reaction.
4. Observe several indicators of a chemical reaction.
5. Associate chemical properties with common items (food, household products).

PROCEDURE

Please complete the entire experiment as instructed in the lab manual except for any modifications noted below. Fill out the
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Define physical change. . A chemical change is usually reversible change in the physical properties of a substance, as size or shape.
2. Define chemical change. A chemical change is usually irreversible chemical reaction involving the rearrangement of the atoms of one or more substances and a change in their chemical properties or composition, resulting in the formation of at least one new substance.
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