Wednesday, March 7, 2012

Solar Smore's

As part of our IB unit on weather my students learned how heat is transferred from solid to liquid to gas. 
 Usually I teach this standard with notes and a worksheet, but thanks to pinterest and Disney's Family Fun Go magazine, I found something a little more interesting and a little more tasty. 
What do you need? one pizza box, aluminum foil, plastic wrap, black paper, and smore's ingredients.
Nothing like solar cooked smore's at 9:00 AM right?
In case you are wondering about the science behind this lab there are three types of heat transfer; convection, conduction, and radiation.
Radiation: The black paper absorbs sunlight 
Conduction:The black paper also heats the graham crackers which heat the marshmallows and chocolate 
Convection: And lastly the foil reflects the sunlight to keep the heat moving in the oven creating a current of air

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