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# Balloon Powered Car

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by

## Kolby lalonde

on 3 February 2015

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#### Transcript of Balloon Powered Car

Materials
Question
Hypothesis
I think my little cars will work because the air inside of the balloon will want to rush out. I think that will be enough thrust to move my very small/light car across the room. I think the more aerodynamic the car is the faster it will go. I also think that the smaller wheels will work better, because the wheels have less area to spin so the will spin faster than the big wheels.
If the thrust from the balloon is enough to move the weight of the car than it will roll across the floor. I think if we change the car to be bigger it will not go as fast because there will be more weight to move. If it is smaller I think it will move faster.
Balloon Powered Car Term 2 SIP
By: Kolby 7J
Feb/3/2014

For my SIP I am going to see if we can get a small make shift car power from a regular balloon. We are also going to find out what is the best design for speed.
My Predictions
My Experiment
Cardboard
Straws
Balloons
BBQ Screw
Tape
Air
Experiment
Time
who
Will
Win
Research tests and Experiments
Conclusion
Application
Is the thrust from a balloon enough to move weight of the model vehicle I created?
Why I'm Interested
It came to me while I was watching a NASCAR race. I wanted to find I Alternate way to power a car. I thought it would be fun to see if I could make some household stuff into a toy.
What is Air Pressure
Sources
1.
2.
3.
Compressed Air
Newtons 3 law
In conclusion my experiment showed that you can create a little car with household items and power with a balloon. This topic relates to science because it shows a great example of Newton third law and teaches you more about air pressure. This experiment reaches out into the branch of physics.

http://www.stevespanglerscience.com/lab/experiments/balloon-powered-race-car
Thank you
I think that the Balloon Powered Car is pretty impressive! You blow up the balloon, set your race car down, and let it go, escaping air from the balloon rushes out of the straw causing propulsion. It's Newton's Third Law of Motion, which states that for every action, there is an equal and opposite reaction. In Balloon Powered Car Experiment, the action is the air rushing from the straw and the reaction is the movement of the car.
My experiment relates to every day life because I'm almost sure everyone in this room has been in a car. What if everyone in the world went green and we all had air powered cars this time for people. Just think how much this idea could help people and our earth. It would help stop global warming, because we would not have to burn all those toxic gases to get from one place to the next. I don't really know how it will work? So I guess that's for the next guy to figure out!
=
Also known as Atmospheric pressure it is the force exerted on you by tiny particles of air. Even thought they are invisible they still have weight and take up space. since there is a lot of empty space between them they can be compressed to fit in a smaller space.

http://kids.earth.nasa.gov/archive/air_pressure/
You can find compressed air in balls, tires and balloons. This is when you squeeze Air molecules in to a small area.
This says that for ever action there is a equal and opposite reaction. some examples are fish swimming, Birds flying and punching a wall with your fist!?
https://blog.udemy.com/newtons-3rd-law/
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