A STRING TELEOPHONE

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A STRING TELEOPHONE AMBER HUTCHINSON MS.FENTRESS

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

Transcript of A STRING TELEOPHONE

TITLE

A STRING TELEOPHONEAMBER HUTCHINSONMS.FENTRESS

TABLE OF CONTENTSTITLETABLE OF CONTENTS QUESTIONHYPOTHESISVARIABLESMATERIALPROCEDURESGRAPHCONCLUSIONQUESTION?Bibilography

QUESTIONDo different types of string or string lengths affect the efficiency of a tin can or paper cup telephone?

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

4VariablesIndependent sound string and string lengthsDependent volumeControlled cups and holes

MATERIALSPaper cups largeTin cans mediumSting 10 ft and 5ftTwine 10ft and 5ftThread 10ft and 5ftAwl

PROCEDURESThread string through cups and cans. Stretch apart string twine and thread. Finally talked into cup while some one listened.

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CONCLUSIONThe paper cup material is what makes the difference in sound not the string material.

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

BIBLIOGRAPHYENCYCLOPEDIA

BOOKS Last,First Field eneterprises educational corporation book

INTERNETString Phones ONLINE: www2.edc.org/sciencequest/2001/SQ0110141/index.htm