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The Sweet Taste of Science...

11/29/2012

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Thank you to future teachers Krista and Joanie
for this sweet science experiment!
Halloween candy has so many marvelous uses.

Step #1: Choose two or three different kinds of chocolate treats. These represent the different kinds of rocks found on earth (sedimentary rock, igneous rock or older metamorphic rock).

Step#2: Unwrap the candy (rocks) and place in a microwave safe container Note how different each candy bar looks although they are made from much the same elements.

Step #3: Heat the chocolates - checking frequently. This represents the heat that comes from magma within the earth.


Step#4: Smash the chocolates. This represents pressure from "tectonic processes such as continental collisions".


Step #5: Pour the chocolate on to wax paper and let the new mixture cool. After just a brief wait, you'll see how the rocks (chocolates) have melded together to create a new form. These new rocks are called metamorphic rock because of the changes they have undergone. 

Step#6: Break open the rocks to see the newly formed layers. And yes... enjoy!
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When I asked my boys to think about how these chocolates were like and not-like metamorphic rocks - this is what they had to say:

And always one with a flair for the dramatic, my 10 year old sums up this science lesson for us all:
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