Here is a design for a solar box cooker that teachers and students can make to have a practical experience with an "appropriate technology" (AT). By doing this activity, students will be using a simple design to make a low-cost device, that is "environment friendly," and uses the unlimited power of the sun to cook chocolate chip cookies (or oatmeal cookies, or brownies etc.). The solar box cooker operates on the same principle as a car with the windows rolled up on a sunny day. The air inside is trapped and gets hotter and hotter (the solar box cooker you will build can measure 275 325 degrees on a very sunny day) and this trapped heat can be used to cook food. The solar box cooker …