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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 antagonist actions (Newtons 3rd Law) 2) Discuss concept of friction and slide fastener loss 3) evince commodity construction techniques and design 4) experimentation with modifying design parameters to achieve a certain goal B.Materials take: - Intro: o Balloons o swallow Straw o Tape o String - Balloon Cars: o Wheels ? we bought slightly wheels from McMaster Carr provided p existic bottle caps and film shagister shot lids or some(prenominal) different round objects can be used ? Small no-count bands to fit around the wheels o Axles ? we used 1/8 rod from hardware store or McMaster, but this issuing d epend on what you want to use for wheels for the film case shot/bottle cap lids, we found punching a hole in the wheel and pressing a thin aluminum electron 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 outcome or balsa wood (San Antonio spare-time activity carries both) work more or less salubrious. Alternatively weve seen things corresponding milk cartons and the like used ? other(a) materials for modifying bodies should be provided paper clips, paper cups, tape, etc. o actuation ? Balloons, tubing/straws ? We found surgical tubing works jolly well for the size of car and balloon we are using. patently you ca n experiment with other sized tubing, but th! is is reasonably user-friendly to work with and provides slow enough release to last for a couple seconds, and yet it provides enough force to very start the car a decent distance o Miscellaneous...If you want to hold back a full essay, secernate it on our website: BestEssayCheap.com

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