Study Guides - Cherokee County Schools

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Name Date Class 2 94 Versatile Materials <strong>Study</strong> Guide Versatile Materials Chapter 25 Directions: Complete the following table by listing, for each type of equipment, how ceramics are used and one advantage that the new equipment has as a result of the use of ceramics. Equipment Use of Ceramics Advantage Household knives and scissors Space shuttle Aircraft windshields Sports equipment Directions: Answer the following questions on the lines provided. 9. What is a ceramic? 10. Why is it advantageous to pack circuit components into a tiny integrated circuit? 11. What gives ceramics their strength? 12. How do dentists use ceramics? 13. Under what conditions will ceramics break? 1. 2. 3. 4. 14. How does a p-type semiconductor differ from an n-type? 5. 6. 7. 8. Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc. Name Date Class 3 <strong>Study</strong> Guide Polymers and Composites Chapter 25 Directions: Determine whether the italicized term makes each statement true or false. If the statement is true, write true in the blank. If the statement is false, write in the blank the term that makes the statement true. 1. Proteins are examples of natural polymers. 2. Polyethylene is an example of a synthetic monomer. 3. Plastics are examples of natural polymers. 4. A large molecule made from many smaller repeating molecules is called a monomer. 5. A material that is man-made is called a synthetic material. 6. A synthetic fiber is a strand of a synthetic polymer. 7. Polymers are large, chain-like molecules constructed of many smaller, repeating molecules called synthetics. 8. Synthetic polymers are commonly referred to as composites. 9. Most of the raw materials used to make plastics come from proteins. 10. Fiberglass is a composite made up of plastic and concrete. 11. Diamond, quartz, and feldspar are considered polymers. 12. Reinforced concrete is an example of a plastic. Directions: Answer the following questions on the lines provided. 13. What does the term composite mean? 14. How does the use of synthetic products such as plastic increase the use of fossil fuels? 15. Give two examples of materials or equipment that have been improved or made possible through the use of composites. What advantages do they have? Polymers and Composites 95
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Study Guides - Cherokee County Schools

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