lets+dissolve+soap

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Title
Lets Dissolve Soap

Problem Scenario
If you are on an island that is flooded with salt water and fresh water you will need to know witch one to put your one bar of soap in so it will last long.

Broad Question
Does the type of water effect the rate at witch soap dissolves?

Specific Question
If I put a bar of soap in a buckett of salt water will it disolve faster that a bar of soap in a bucket of fresh water.

Hypothesis
The bar of soap in the bucket of salt water will dissolve faster than the bar in the fresh water.

Vocabulary List That Needs Explanation
Bar of soap: This is a cleaning implement. Lye:a strong alkaline liquor rich in potassium carbonate leached from wood ashes and used especially in making soap and for washing. Bucket: The thing that will hold the water and soap. Animal Fat: The fat on an animal.

General Plan
I will put the soap in the buckets full of water in my kitchen and watch them. I will take each bar out every 24 hours and measure them.

Potential Problems And Solutions
if the waler is filled with to much slopy soap i can change the water.

Safety Or Environmental Concerns
NONE

What is your experimental unit?
Two bars of soap and two buckets full of water

Number Of Trials:
1

2

Number of Observations:
1

When data will be collected
febuary 2 2013

Where will data be collected?:
in a bucket in my kitchen.

Resources and Budget Table

 * Item || Number needed || Where I will get this || Cost ||
 * Soap || 2 || walmart || 3.00 ||
 * salt || 1 bag || walmart || 7.00 ||

Detailed Procedure
1. Go to the store and buy two bars of soap, two buckets and a bag of salt. 2. Fill both of the buckets with water at the same level. 3. put salt in one of the buckets. 3. Next you will unwrap the bars of soap. 4.Measure the bars of soap in center meters. 5.P ut one in each of the buckets. 6.Put a video camera next to the buckets and press record. 7. Come back in about five days and remeasure the bars of soap. 8.Record the data and plot it.

Time Line
February 2 i will start the experiment in my room. February 12 my experiment will be finished, and graphed.

 **T** **able**
 * day || salt || normal ||
 * Monday || 7.62 || 5.08 ||
 * Tuesday || 5.3975 || 4.445 ||
 * Wednesday || 5.08 || 3.81 ||
 * Thursday ||  ||   ||
 * Friday ||  ||   ||

Results
**Conclusion** I conclude that the bar of soap in the buckett of salt water disolved faster than the bar in the buckett of fresh water.

Discussion
The expiriment went very well. I did not have many problems.But i did have to change the water a couple of times. I had some trouble moving my expirement from my moms house to my dads house.all in all i didnt have to many problems.

Benefit to Community and/or Science
NONE

Background Research
Soap is made of lye and animal fat. these two ingredients are heated together and then cooled.