A string phone

Report
Sixx Adams-lee
5th grade
Berwyn Heights ES
6200 Pontiac St.
Berwyn Heights MD
Dr. Michelle Klien
Prince George's community college
301 Largo Road
Largo MD 20774
Ready set talk
Dear Dr.Michelle Klien
Sixx Adams-lee
Ms. Fentress
You are a nice an kind person and you
don’t get mad at people when they are in
trouble so that is why you are a nice and
kind person
Table of continents
1.
2.
3.
4.
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6.
7.
8.
9.
Title
Table of continents
Questions
Hypothesis
Materials
Procedures
Conclusion
Questions?
Bibliography
Question
• Does the different types of string or string lengths affect
the efficiency of a tin can or paper cup telephone.
Hypotheses
• The types of string or string lengths affect the effienicency of a paper
cup because the shorter length, the shorter time will travel.
materials
1.
2.
3.
4.
8 paper cups
8 tin cans
Thread
awl
procedures
1.
2.
3.
4.
5.
6.
Get 8 tin can and 8 paper cups
Cut the string
Get the awl
Punch holes in the bottom of the paper cups and tin cans
Tie knots at the bottom of the string
Test your hypothesis
Variables
• Independent: sound, strong, string lengths
• Dependent: volume
• Controlled: cups, holes
conclusion
My conclusion was right because when I tried it my
thought was right.
Question?
• My question was that when I tried to do the tin can how
come it didn’t work but it has an echo in the tin can.
Bibliography
1. Encyclopedia
2. Books
3. Internet
chart

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