Fire Balloons

Hey everyone. Im doing a science project on how far balloons go with different propelents. cant come up with 2?

Please help me find two different ways i could propell a baloon rocket without fire

Important to understand!

the air which is about all you have to use is just "stuff" thrown backwards while the balloon rubber goes the other way

the Force to do that , or the energy, comes from the stretch of the rubber NOT the air

BETTER

buy the water bottle pumped air rocket at the toy store

experiment with different amounts of water and number of air pumps. you could shoot it up next to a wall and estimate the height

make a chart of air vs water vs height

make a video with your phone or camera

lots to learn about rockets

we got to the Moon remember

a real ship is very heavy and has to go very very fast and uses an enormous amount of fuel

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[phpzon]Fire Balloons, 14, Toys[/phpzon]