The first step in any invention process is identifying a need or want for something—in this case it is an inexpensive and environmentally safe way to cook food. One solution to that, the one you will ...

Q: I plan to use a solar oven so my kitchen stays cooler and when we lose electricity during storms. Should I buy one complete or can I make an effective one myself? A: It is wise to try to do some of ...

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 ...