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What else could you make using your solar oven? How about cheese nachos or an English muffin pizza? Is there an optimal time to use your solar oven? Experiment and record your results! (Safety note: Do not cook meat or fish in your solar oven.)
Energy from the Sun enters the solar oven directly and penetrates the glass bowl. Additional heat is introduced when sunlight is reflected off the shiny aluminum foil on the inside of the flap and then into the box. The black paper shelf acts as a heat sink by absorbing the sunlight. The shelf warms up then radiates heat. This thermal energy heats the air inside the solar oven, allowing it to cook the s’more. (Note that lightercoloured paper would absorb less heat. Similarly, since darker colours absorb more heat, the chocolate is placed on top of the marshmallow to help everything melt faster.) The glass bowl acts as an insulator, helping to conserve the heat in the air inside it. The glass roof and walls of a greenhouse use this same principle to retain heat.
The name for this classic summer snack is the contraction of the phrase “some more." Because who wouldn’t want more ooey-gooey marshmallow and chocolate goodness?