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Balloon Rocket Car Lesson Science Bus Alex Tung, Praj Kulkarni change 2/24/04 A.Objectives: 1) Introduce concept of equal and polar actions (Newtons 3rd Law) 2) Discuss concept of friction and dexterity loss 3) evince costly construction techniques and design 4) prove 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 approximately wheels from McMaster Carr provided p demiseic bottle caps and film shagister shot lids or some(prenominal) former(a) round objects can be used ? Small bad bands to fit around the wheels o Axles ? we used 1/8 rod from hardware store or McMaster, but this resolution depend on what you wa nt to use for wheels for the film tin can/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 core or balsa wood (San Antonio spare-time activity carries both) work beauteous salubrious. Alternatively weve seen things corresponding milk cartons and the like used ? opposite materials for modifying bodies should be provided paper clips, paper cups, tape, etc. o propulsion ? Balloons, tubing/straws ? We found surgical tubing works handsome well for the size of car and balloon we are using. manifestly you can experiment with ot her sized tubing, but this is passably use! r-friendly to work with and provides slow enough release to last for a couple seconds, and yet it provides enough force to in reality start the car a decent distance o Miscellaneous...If you want to hold back a full essay, revision it on our website: BestEssayCheap.com

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