This Science Saturday let’s cook up some Solar S’mores and at the same time learn about the greenhouse effect! (atmospheric gases allow sunlight to pass through to the earth’s surface but keeps the heat it generates from escaping back into space)
Build your own solar oven from a pizza box. There is a foil flap for gathering sunlight, then reflecting it down through plastic and into the solar oven, doubling the amount of light. By placing a sheet of absorbing black paper on the bottom of the pizza box the light is converted to heat. As more light hits the black paper, more heat is created and trapped. After an hour or so on a sunny day, the oven can be as hot as 275 degrees which is hot enough to melt chocolate and marshmallows without a campfire.
Hop over to NASA’s Climate Kids for instructions on building your solar oven and how to make the Solar S’mores.
photo credit: Spoonful