Lab Report- Waves
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Science | Graded Assignment | Lab Report | Waves
Name: Danielle Schlitt Date: 11/19/21 Graded Assignment Lab Report: Waves Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.
Total score: ____ of 27 points (Score for Question 1: ___ of 3 points) 1.
Write the goal of the lab or the question you tried to answer.
The goal of this lab is to see how string length affects wave speed. This is shown in the lab's question, "How does string length affect wave speed?" (Score for Question 2: ___ of 3 points) 2.
Which observations, experiences, or lesson materials helped you form your hypothesis? We have learned in our lessons the longer the string, the longer the time. This is because longer strings have a lower frequency; therefore, it takes a longer wave speed. (Score for Question 3: ___ of 3 points) 3.
State your hypothesis. My hypothesis the longer strings will have a higher wave speed. On the other hand, the shorter length strings will have a shorter and faster wave speed. This is because longer strings have a lower frequency; this means the string has a longer wave speed. For example, a shorter string has a higher frequency, concluding the wave speed will be faster. Lastly, I believe the longer the string, the longer the wave speed, the shorter the string, the faster the wave speed. (Score for Question 4: ___ of 6 points) 4.
Use the data from your experiment to complete this data table. Provide data for at least five trials (complete the experiment at least five times, using a shorter length of string each time). Use the following formulas to help you complete the table:
•
Time for 1 Wave Trip (s) = •
Wave Speed (m/s) = Answer: (Score for Question 5: ___ of 6 points) ( )
Time for10 wave Trip s
/ 10
( )
( )
String Lenght m
/
Time for1
Wave Trip s
String Length (m)
Time for 10 Wave Trips (s)
Time for 1 Wave Trip (s)
Wave Speed (m/s)
30
15
1.5
20
25
13
1.3
19.2
20
12
1.2
16.6
15
11
1.1
13.6
10
10
1
10
5
8
0.8
0.6
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Science | Graded Assignment | Lab Report | Waves
5.
Graph your data:
a.
Determine the values for the y-axis based on your string length data. b.
Plot String Length (m) against Time for 1 Wave Trip (s). Answer: Type your answer here. (Score for Question 6: ___ of 3 points) 6.
According to your graph, does the wave speed change with string length?
Yes, as you can see in the graph, the data goes up from the length of 5 to 30. This shows that the less amount of string, the faster the wave speed. (Score for Question 7: ___ of 3 points) 7.
Does your data agree with your hypotheses? Explain.
While conducting this experiment, I have concluded that my hypothesis is correct. The string with a length of 30 had the slowest wave speed. Whereas the string with a length of 5 had the fastest wave speed. This shows us that string length affects wave speed vastly. © Stride, Inc. All rights reserved. No reproduction without written consent of Stride, Inc. Page of 2
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Science | Graded Assignment | Lab Report | Waves
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