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Chapter 3 Resource: Matter and its Changes

Chapter 3 Resource: Matter and its Changes

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Name Date Class<br />

Directed Reading for<br />

Content Mastery<br />

Section 2 ■ Chemical Properties<br />

<strong>and</strong> <strong>Changes</strong><br />

Directions: For each of the following, write the letter of the term or phrase that best completes the sentence.<br />

Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.<br />

1. ______ is an example of a chemical property.<br />

a. Flammability b. Density<br />

2. When you burn logs, the total ______ of substances is the same before<br />

<strong>and</strong> after the fire<br />

a. volume b. mass<br />

3. Sliced apples turning brown is an example of a ______ change.<br />

a. physical b. chemical<br />

4. Rust is a result of ______ reacting with iron.<br />

a. oxygen b. sulfur<br />

5. ______ are a sign that a chemical change has occurred.<br />

a. Broken pieces b. Air bubbles<br />

6. The ______ is a chemical change.<br />

a. melting of butter b. burning of leaves<br />

7. ______ can cause a chemical change.<br />

a. Electricity b. Ductility<br />

8. The ______ properties can’t be observed without changing the substance.<br />

a. chemical b. physical<br />

9. ______ changes can’t be reversed by physical means.<br />

a. Physical b. Chemical<br />

10. Vitamins are kept in colored bottles to prevent a chemical change<br />

caused by ______.<br />

a. heat b. light<br />

Meeting Individual Needs<br />

<strong>Matter</strong> <strong>and</strong> Its <strong>Changes</strong> 21

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