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Ivory soap floats...why doesnt regular soap?

  • I am studying in a 8th grade science class. I got this question thingy that says that this girl got some soap and got tired ofdroping it in the tub. So she went out and bought Ivory soap. I am suppose to write my hypothesis, state the problem and create an experiment. First i have to figure out why Ivory soap floats and not regular soap. Can any one help me on how to find that out and then if you could suggest a way to create a experiment?

  • Answer:

    Ivory soap is one of the few brands of bar soap that floats in water. If it floats in water, it must mean that it's less dense than water. When you broke the bar of soap into several pieces, no large pockets of air were discovered. Ivory soap floats because it has air pumped into it during the manufacturing process. The air-filled soap was actually discovered by accident in 1890 by an employee at Proctor and Gamble. While mixing up a batch of soap, the employee forgot to turn off his mixing machine before taking his lunch break. This caused so much air to be whipped into the soap that the bars floated in water. The response by the public was so favorable that Proctor and Gamble continued to whip air into the soap and capitalized on the mistake by marketing their new creation as œThe Soap that Floats! I got it from the website below, which has experiments for ivory soap :] Hope i helped xo

hardworker :D at Yahoo! Answers Visit the source

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go to their website they tell you why - thats the only kind of soap i use - and it does float - http://www.ivory.com/YourIvoryProducts_IvoryBarSoap.htm and this one is more detailed about why it floats - http://www.ivory.com/PureFun_SoapLegend.htm

imissmahboo

base on its density, if an object is less dense that water, it will definitely float

'L'

Hi. In order to sink any substance has to be denser than an equal volume of water. That is your staring point!

Cirric

Story I got was that the inventor of Ivory got tried of losing his soap on the the bottom of the tub, So he found a way to add enough air the soap to make it float!

THE Cupid HATER

Ivory soap was discovered by accident. A worker left the mixing machineine on too long, which put more air into the mix. At least that's the legend. See the link below.

rhino72032

In the process of making Ivory Soap, it is whipped to get air into the Bar. This makes it lighter than the displaced water, causing it to float. You could experiment by Weighing the water displaced by Ivory, and the water displaced by a bar of the SAME size.

Answers

Ivory soap is whipped so air is added to it. This makes the density of the soap less than the density of water.

Gene C

Today, Ivory floats because thet intentionally whip a small amount of air into each Ivory bar as it's being made. This makes the soap lighter than water, so it floats. This process also makes each bar of Ivory velvety smooth and easy to lather.

Window

It was a mistake in the original formulation. The company alllowed too much air into the mix and the soap floated. However, the company soon learned that the bathing public liked this feature (no other soaps did this at that time), and so the company kept that formulation.

RadioActive

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