If you don't want to heat up the stove or grill on a really hot day, there's another source of energy to cook food with — and it's directly overhead: the sun! Solar cookers, devices that use the sun ...

We have also invested considerable time and some money experimenting with the many ways to cook food with the sun. Just imagine! You can actually take scrap materials–old cardboard boxes, newspaper, a ...

use the invention process to design, build, and test a solar cooker. describe how transmission, absorption, and reflection are used in a solar cooker to heat water. evaluate what variables contribute ...