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How does the air pressure in a football helmet affect cushioning?Featured science projectScience project video

Conclusion

The hypothesis is accepted because as the air pressure in the padding of the helmet increases, the force of impact decreases.

Also consider

What other material is suitable to be used as a simulation of the human head?

Should a barometer be used in this experiment?

What if different weights were used? How would the results differ?

References

http://www.ehow.com/how_5175645_measure-atmospheric-pressure.html

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Complexity level:
5
Project cost ($):
30
Time required:
5 hours preparation time, observation time only takes a matter of seconds. However, do allocate some extra time in case of any mistakes.
Material availability:
Besides the helmets, all the other materials should be obtained from a school laboratory.
Safety concerns:

Be careful to keep clear of the falling weight.