Educator Info: Cook Food Using the Sun
Almost all of the energy on earth comes from the sun. As light energy from the sun strikes an object, it is absorbed, reflected or transformed into heat energy. This heat energy can be focused to create a solar oven that can cook food!
Lesson at a glance
Students Will Know:
Energy transformation - Energy is neither created nor destroyed. The amount of energy in the universe remains the same; when we use energy, we do not "use it up" but rather transform it from one form of energy into another form.
Solar radiation - Heat energy produced from the sun.
Students Will Be Able To:
Create a solar oven to cook and heat food.
Illinois Learning Standards
State Goal 11: 11.A.2a, 11.A.2b, 11.A.2c; 11.A.2d
State Goal 12: 12.C.2a
Middle/Junior High School
State Goal 11: 11.A.3a; 11.A.3b; 11.A.3c
State Goal 12: 12.C.3a
Almost all of the energy that reaches the earth comes from the sun. Some is intercepted by the atmosphere and some is reflected back to space, but most of the radiation is absorbed by the surface of the earth.
At the earth's surface, incoming energy from the sun that is absorbed by the land, water and atmosphere is converted into measurable heat. This heat creates winds and currents in our atmosphere and oceans. The sun's energy also keeps the earth at a temperature that supports life. This energy can be focused to create a solar oven.
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