A string phone

```Sixx Adams-lee
Berwyn Heights ES
6200 Pontiac St.
Berwyn Heights MD
Dr. Michelle Klien
Prince George's community college
Largo MD 20774
Dear Dr.Michelle Klien
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.
5.
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
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
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
```