Compare the properties of broken and unbroken glass. Explain why breaking glass is a physical change.

Explanation

### Step-by-Step Solution:

1. **Identify the Properties of Unbroken Glass:**
- Unbroken glass is smooth to touch, has a uniform shape, and is typically clear or transparent. It is also strong and can withstand pressure without breaking.

2. **Identify the Properties of Broken Glass:**
- Broken glass has sharp edges, is rough to touch, and has irregular shapes and sizes. It is also more fragile and can easily cause injury due to its sharp points.

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