Chapter 3 Resource: Matter and its Changes

Name Date Class
Chapter Review (continued)
Part B. Concept Review
Directions: Complete the following sentences using the correct terms.
1. The melting point of ice is a ____________________ property.
2. Density is a ____________________ property.
3. ____________________ changes produce new substances.
4. The total ____________________ of original and new substances is the same after a chemical
change.
5. Stainless steel’s ability to resist rust is a ____________________ property.
6. The unit for measuring density is ____________________.
7. The ____________________ point of water is 100°C.
8. Natural gas for cooking has the property of ____________________.
9. The particles of a gas have ____________________ between them.
10. Ductility is a ____________________ property of copper.
Directions: Classify the following changes as physical or chemical by writing the correct choice in the space
provided.
11. Dew on a windshield changes to frost.
Assessment
12. A pencil becomes shorter after sharpening.
13. Magnesium metal burns and becomes a white powder.
14. A pine log is cut into boards.
15. Apple cider becomes vinegar.
Directions: Answer the following questions on the lines provided.
16. What physical property could you use to separate sand and sugar How would you do it
17. Use the law of conservation of mass to explain why a rusty nail weighs more than the original nail.
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36 Matter and Its Changes