Take this quiz and determine if the examples are physical or chemical changes. Write your answers on a sheet of notebook paper.
For each answer, EXPLAIN your reasoning.
FOR EXAMPLE, you might write:
Breaking a glass - physical change, the substance is still the same substance after the change.
If you determine the example is a chemical change, be specific about WHY you think its a chemical change. Below is a list of some pieces of evidence that can help you determine if a chemical change has occurred:
- a new odor is present
- a precipitate forms
- there is a color change
- a new gas is produced
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