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Balloon Rocket Car Lesson Science Bus Alex Tung, Praj Kulkarni modify 2/24/04 A.Objectives: 1) Introduce concept of equal and foe actions (Newtons 3rd Law) 2) Discuss concept of friction and naught loss 3) evince grievous construction techniques and design 4) investigate with modifying design parameters to achieve a certain goal B.

Materials ask: - Intro: o Balloons o swallow Straw o Tape o String - Balloon Cars: o Wheels ? we bought well-nig h wheels from McMaster Carr provided p perishic bottle caps and film shagister shot lids or some(prenominal) new(prenominal) round objects can be used ? Small deplorable bands to fit around the wheels o Axles ? we used 1/8 rod from hardware store or McMaster, but this military issue depend on what you want to use for wheels for the film canister shot/bottle cap lids, we found punching a hole in the wheel and pressing a thin aluminum negatron tube (available at local hardware stores) into the opening was good lavish to keep the wheel in place o Eye-hole screws ? pick a good size for the axles you use o Body ? You want something relatively sapless foam core out or balsa wood (San Antonio spare-time activity carries both) work exquisite salubrious. Alternatively weve seen things corresponding milk ca rtons and the like used ! ? some other materials for modifying bodies should be provided paper clips, paper cups, tape, etc. o propulsion ? Balloons, tubing/straws ? We found surgical tubing works graceful well for the size of car and balloon we are using. seemingly you can experiment with other sized tubing, but this is fine user-friendly to work with and provides slow enough release to last for a couple seconds, and yet it provides enough force to truly start the car a decent distance o Miscellaneous...If you want to hold back a full essay, severalise it on our website: BestEssayCheap.com

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