Fishing Line Experiment

By Kobe Heitman

Purpose Statement

The purpose of this experiment was to compare the strenghts of 3 different brands of fishing line. I became interested in this experiment because I want to see how much weight the 3 different types of fishing line can hold the longest. The information gained from this experiment will help others by seeing which fishing line is the best to use.


The strength of fishing line is called test and is measured in pounds. While normal fishing line is guaranteed to break above its rating, tournament line must break before the rating or the records will not be recognized. A rule of thumb is to fish with the lightest gear possible so you don't tire and have more fun. In competition when test is specified, anglers must use light line to land heavy fish.

The materials that are used in fishing line are nylon, polyvinylidene fluoridepolyethylene, Dacron and Dyneema. The most common type is monofilament, made of a single strand. I chose this experiment because when I go fishing my line breaks when I have a fish on the line. What is braided line? Braided line is one of the of earliest types of fishing line and is still very popular today because of its high knot strength, lack of stretch, and great overall power in relation to its diameter. What is fluorocarbon line? Fluorocarbon is a polymer that's nearly invisible in water because it has an almost identical refractive index.


My hypothesis is Bass Pro Shop will hold the weight for the longest time. I base my hypothesis on you can catch different kinds of fish with the heaviest line.


3 brands of fishing line

3 different size weights

IV:Brands of fishing line

DV:Different weight

CV:Length of the line
CV:Weight of the line


1.Use 3 different brands

2.Time how long the line can hold

3.Record time on paper

4.Take pictures

5.Do Steps 1-4, two more times


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The original purpose of this experiment was to compare the strengths of 3 different brands of fishing line.The results of the experiment showed that Bass Pro Shop held the weight the longest all 3 times I did this experiment.

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My hypothesis was Bass Pro Shop will hold the weight for the longest time. The results indicate that this hypothesis should be considered correct. Based on the results of this experiment you should buy Bass Pro Shop fishing line. I were to conduct this science fair project again I would use different line weight.