Solar Oven STEM Challenge Posted on May 3, 2017 by Mrs. Woodrow and Mrs. Ezzell This months STEM Challenge is making a solar oven! In order to do this we need a few things. We will need *6 pizza boxes*Permission SlipWe will be making our solar ovens on May 10, but cooking and eating on May 17th. Related posts: SOLAR OVENS! Smores permission slip Solar Ovens Notes