Monday, January 31, 2011

Science Fun

Soap Cotton Candy

First, we tested different brands of soap to see which ones sank and which ones floated. Ivory was the only one that floated. Now to find out why..........
We "cooked" the Ivory soap in the microwave for a couple of minutes. It puffed up like cotton candy, had a very unique texture, and smelled wonderful.









The answer behind all the fun: Ivory soap has air bubbles in it. When the moisture in the air bubbles heats up, it turns to steam which takes up more space and causes the soap to expand. They do this by "mixing" the liquid soap for a longer period to allow the air to get trapped in the mixture. This was discovered on accident in the 1800's by an employee who took a lunch break and forgot to turn off the mixer! At one time, Ivory was advertised as the
"soap that floats".




Burning Money



What did that just say???

First we soaked a dollar bill in a solution of alcohol and water. They recommended we use a $20 bill, but I didn't feel confident enough in my science ability.



Anxiously awaiting their teacher to torch the money.




Awesome!!! Check out Tori and Ashton's faces.



Not even a black mark on the money. Way cool!! To find out how, you can go to Steve Spanger's website and search
"burning money".
We did have a lesson on fire safety after doing this experiment!!!!









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