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Making Ice Cream... Chemical Change of Physical Change??

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by

Ashley Strickland

on 4 September 2014

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Transcript of Making Ice Cream... Chemical Change of Physical Change??

Getting Started
Place
1 cup of milk
in your quartz-sized Zip-lock bag.
Add
1/4 teaspoon of vanilla extract
and
1 tablespoon of sugar
to the mixture.

BE SURE TO CLOSE THE BAG TIGHTLY
Making Ice Cream... Chemical Change of Physical Change??
Common Core Standard
S5P2. We will explain the difference between a physical change and a chemical change
.
What will we need?
Materials:
Milk
Ice
Gallon Zip-lock bag
Quart-sized Zip-lock bag
Vanilla Extract
Rock Salt
Sugar
Measuring utensils
Dropping the Temperature
Add 2 cups of ice to the gallon bag and 1/2 cup of rock salt.
Place the smaller bag inside and SHAKE, SHAKE, SHAKE!!!!!


Make observations about your mixture. What is happening?
Be sure to keep the inside bag closed until there has been a complete change.
We All Scream for Ice Cream!!
By removing heat from the mixture, you have changed the state of the mixture from a liquid to a solid. Is this magical transformation a chemical or physical change? Will you ever be able to separate the ingredients?
Full transcript