science fair question
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science fair question
Can a gas affect a balls bounce?
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- Former Expert
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Re: science fair question
Hi samuria,
Are you working on a project similar to the one described at the following link?
https://www.sciencebuddies.org/science- ... cs#summary
In this project you change the air pressure in a ball and observe how the bounce is affected. And in this case a gas (air) does have an effect on a ball's bounce.
I hope this helps. Please ask again if you have more questions.
A. Norman
Are you working on a project similar to the one described at the following link?
https://www.sciencebuddies.org/science- ... cs#summary
In this project you change the air pressure in a ball and observe how the bounce is affected. And in this case a gas (air) does have an effect on a ball's bounce.
I hope this helps. Please ask again if you have more questions.
A. Norman
Re: science fair question
Hi A. Norman,
Thank you for answering my question. My experiment is that I took a soccer ball and filled it with helium and then deflated it and then pumped it back up with air. Then I dropped the ball off of 12.9 feet and measured the time of the bounce. I drop the ball 3 times. Three times with air and three times with helium.
Thank you for answering my question. My experiment is that I took a soccer ball and filled it with helium and then deflated it and then pumped it back up with air. Then I dropped the ball off of 12.9 feet and measured the time of the bounce. I drop the ball 3 times. Three times with air and three times with helium.
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- Former Expert
- Posts: 1022
- Joined: Mon Jul 14, 2014 1:49 pm
- Occupation: retired chemist
- Project Question: Volunteer
- Project Due Date: n/a
- Project Status: Not applicable
Re: science fair question
Hi samuria,
OK. Thanks for the additional information.
You compared how long a ball will bounce with the same pressure of helium and with air. Did you see any differences in how long the ball bounced with the two gasses?
I hope this helps. Please ask again if you have more questions.
A. Norman
OK. Thanks for the additional information.
You compared how long a ball will bounce with the same pressure of helium and with air. Did you see any differences in how long the ball bounced with the two gasses?
I hope this helps. Please ask again if you have more questions.
A. Norman
Re: science fair question
Yes I put the same pressure of air and helium in the ball. I did not see much of a difference in the ball.
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- Former Expert
- Posts: 1022
- Joined: Mon Jul 14, 2014 1:49 pm
- Occupation: retired chemist
- Project Question: Volunteer
- Project Due Date: n/a
- Project Status: Not applicable
Re: science fair question
Hi samuria,
I don't think you should see much difference in how many times (or how high) the ball bounced due to the different gases inside.
The ideal gas law tells us that at the same pressure, volume and temperature there are the same number of gas molecules regardless of the type of gas. Helium is lighter than air so the ball filled with helium doesn't weigh as much. But the weight difference is small compared to the weight of the ball itself. So you'd expect very little difference in how the ball bounces.
I hope this helps. Please ask again if you have more questions.
A. Norman
I don't think you should see much difference in how many times (or how high) the ball bounced due to the different gases inside.
The ideal gas law tells us that at the same pressure, volume and temperature there are the same number of gas molecules regardless of the type of gas. Helium is lighter than air so the ball filled with helium doesn't weigh as much. But the weight difference is small compared to the weight of the ball itself. So you'd expect very little difference in how the ball bounces.
I hope this helps. Please ask again if you have more questions.
A. Norman
Re: science fair question
Thank you so much really appreciate it