This worksheet helps students practice identifying the differences between physical and chemical properties and changes.

It looks like you've uploaded an image of a worksheet titled "Physical and Chemical Properties and Changes", which includes questions about identifying whether given changes are physical or chemical, along with definitions and examples.

Since I can't view images directly, I’ll help you solve the problems based on the typical content of such worksheets. If you can provide the text of the specific questions or describe what’s in the image (e.g., the list of changes), I can give a precise answer.

However, here's how to approach this type of worksheet:

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🔍 Key Concepts:

- Physical Change: A change in form or state, but no new substance is formed.
- Examples: Melting ice, boiling water, tearing paper, dissolving sugar.
- Reversible in many cases.

- Chemical Change: A change where a new substance is formed.
- Evidence: Color change, gas production, temperature change, odor, formation of precipitate.
- Examples: Rusting iron, burning wood, cooking an egg.

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✔ Common Examples & Classification:

| Change | Type | Reason |
|-------|------|--------|
| Ice melting | Physical | Water changes from solid to liquid; no new substance |
| Paper burning | Chemical | Produces ash, smoke, CO₂ — new substances |
| Iron rusting | Chemical | Iron reacts with oxygen to form rust (Fe₂O₃) |
| Sugar dissolving in water | Physical | No chemical reaction; sugar molecules remain intact |
| Baking a cake | Chemical | Ingredients react to form new compounds |
| Breaking glass | Physical | Shape changes, but composition stays the same |
| Digesting food | Chemical | Food is broken down into simpler substances |
| Boiling water | Physical | Phase change only |

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📝 Sample Worksheet Questions (Typical):

#### Question: Classify each as physical or chemical change:
1. Cutting paper → Physical
2. Burning gasoline → Chemical
3. Dissolving salt in water → Physical
4. Souring milk → Chemical
5. Freezing water → Physical
6. Rotting fruit → Chemical

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💡 Tips for Identifying:

- Ask: Did a new substance form?
- Yes → Chemical
- No → Physical

- Look for clues:
- Color change, odor, bubbles, heat/light, irreversibility → likely chemical

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If you can type out the exact questions from the worksheet (especially the list of changes), I can give you the correct answers and explanations for each one.

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