# Soccer: Geometry of Goal-Scoring *

 Difficulty Time Required Very Short (≤ 1 day)
*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, 108-110.)

### MLA Style

Science Buddies Staff. "Soccer: Geometry of Goal-Scoring" Science Buddies. Science Buddies, 28 July 2017. Web. 23 Oct. 2017 <https://www.sciencebuddies.org/science-fair-projects/project-ideas/Sports_p030/sports-science/soccer-geometry-of-goal-scoring?from=Blog>

### APA Style

Science Buddies Staff. (2017, July 28). Soccer: Geometry of Goal-Scoring. Retrieved October 23, 2017 from https://www.sciencebuddies.org/science-fair-projects/project-ideas/Sports_p030/sports-science/soccer-geometry-of-goal-scoring?from=Blog

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Last edit date: 2017-07-28

## Bibliography

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

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