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A STRING TELEOPHONE

A STRING TELEOPHONE. AMBER HUTCHINSON MS.FENTRESS. TABLE OF CONTENTS. TITLE TABLE OF CONTENTS QUESTION HYPOTHESIS VARIABLES MATERIAL PROCEDURES GRAPH CONCLUSION QUESTION? Bibilography. QUESTION.

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A STRING TELEOPHONE

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  1. A STRING TELEOPHONE AMBER HUTCHINSON MS.FENTRESS

  2. TABLE OF CONTENTS • TITLE • TABLE OF CONTENTS • QUESTION • HYPOTHESIS • VARIABLES • MATERIAL • PROCEDURES • GRAPH • CONCLUSION • QUESTION? • Bibilography

  3. QUESTION • Do different types of string or string lengths affect the efficiency of a tin can or paper cup telephone?

  4. HYPOTHESIS • I think the different types of string will affect the efficiency of a tin can or paper cup because the shorter length the shorter time.

  5. Variables • Independent sound string and string lengths • Dependent volume • Controlled cups and holes

  6. MATERIALS • Paper cups large • Tin cans medium • Sting 10 ft and 5ft • Twine 10ft and 5ft • Thread 10ft and 5ft • Awl

  7. PROCEDURES • Thread string through cups and cans. • Stretch apart string twine and thread. • Finally talked into cup while some one listened.

  8. graph

  9. CONCLUSION • The paper cup material is what makes the difference in sound not the string material.

  10. QUESTION? • How come you could not hear the tin cans echo but you could hear the paper cups?

  11. BIBLIOGRAPHY • ENCYCLOPEDIA • BOOKS Last,FirstField eneterpriseseducational corporation book • INTERNET • “String Phones” ONLINE: www2.edc.org/sciencequest/2001/SQ0110141/index.htm

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