State three differences between a physical change and a chemical change.

Explanation

To answer the question, "State three differences between a physical change and a chemical change," we can outline the differences as follows:

### Step-by-Step Solution:

1. **Nature of Change**:
- **Physical Change**: A physical change is temporary. This means that the original substance can be recovered after the change has occurred.
- **Chemical Change**: A chemical change is permanent. Once a chemical change has occurred, the original substances cannot be recovered.

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