Wednesday, December 16, 2009

How should i set up my science fair project about how what detergent is best to get rid of oil stains?

i am doing a science fair project on what detergent gets rid of oil the best and i need a way to set it up. and it would be nice if i could get some more info on that subject, so if you could help that would be a big thanks.How should i set up my science fair project about how what detergent is best to get rid of oil stains?
My daughter did something similar to this.


Purchase several types and styles of detergent, from the expensive to the cheap.


Make a hypothesis regarding which one should clean the best, ie typically you would think that the most expensive would work the best.


Make close to identical stains on several pieces of cloth.


Wash each of the cloth using different detergents.


Measure, by observation, which one was cleaned the best.


Support or reject your hypothesis based on your findings.How should i set up my science fair project about how what detergent is best to get rid of oil stains?
Make your own detergents mixing different quantities of ash and fat together. From 10% ash and 90% fat to 25 /75, 50/50, 75/25, 10/90 mixes. See which mix is best for removing oil! Then try to explain why.

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