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# Geometry of Goal-Scoring *

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 Difficulty Time Required Short (2-5 days)
*Note: This is an abbreviated Project Idea, without notes to start your background research, a specific list of materials, or a procedure for how to do the experiment. You can identify abbreviated Project Ideas by the asterisk at the end of the title. If you want a Project Idea with full instructions, please pick one without an asterisk.

## Abstract

Block off one-third of a soccer net with a cone, 5-gallon bucket or some other suitable object. Shoot into the smaller side from a set distance, but systematically varying the angle to the goal line. Take enough shots at each angle to get a reliable sample. How does success vary with angle? For a basic project: How do you think your success rate will vary with angle? Draw a conclusion from your experimental results. A bar graph showing success rate at different angles can help to illustrate your conclusion. For a more advanced project: Use your knowledge of geometry and soccer to come up with a mathematical expression to predict your success rate as a function of angle (measured as a percentage of your success rate with straight-on shots)? How well does your prediction agree with your actual results? (idea from Gardner, 2000, pp. 108-110.)

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General citation information is provided here. Be sure to check the formatting, including capitalization, for the method you are using and update your citation, as needed.

### MLA Style

Science Buddies Staff. "Geometry of Goal-Scoring." Science Buddies, 28 July 2017, https://www.sciencebuddies.org/science-fair-projects/project-ideas/Math_p038/pure-mathematics/geometry-of-goal-scoring?class=9WHmVWEvKjQzKP6vV-TD1nMuJib3HTEhQ_AJtI464eZMFacbjeF1xJN-91I6CfvMSPay_z_RpZxC_-iS_orH3g. Accessed 21 Mar. 2019.

### APA Style

Science Buddies Staff. (2017, July 28). Geometry of Goal-Scoring. Retrieved from https://www.sciencebuddies.org/science-fair-projects/project-ideas/Math_p038/pure-mathematics/geometry-of-goal-scoring?class=9WHmVWEvKjQzKP6vV-TD1nMuJib3HTEhQ_AJtI464eZMFacbjeF1xJN-91I6CfvMSPay_z_RpZxC_-iS_orH3g

Last edit date: 2017-07-28

## Bibliography

Gardner, Robert. Science Projects About the Physics of Sports. Berkeley Heights, NJ: Enslow Publishers, 2000.

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## News Feed on This Topic

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Note: A computerized matching algorithm suggests the above articles. It's not as smart as you are, and it may occasionally give humorous, ridiculous, or even annoying results! Learn more about the News Feed

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