…a solar panel fixed at the optimal tilt angle on the annual basis. Fig.3 Annual outputs: tracker vs. fixed Does the additional energy that solar trackers help generate worth the…
…were generally very supportive. Some even helped their kids measure the dimensions of their houses (unfortunately, Google Earth does not provide sufficient information for students to retrieve the geometry of…
…air to my tires in the winter? Why does a soda can explode if it is left unopened and in a hot car? How can a big metal drum be…
…things cut loose to post a bit more to detail the many interesting phenomena we’ll be watching for, it’s worth looking back at an archival clip that still does a…
…materials] opened up ways for me to help students better express their processes.” Toni’s own journey includes practicing hula kahiko, a traditional Hawaiian dance typical of pre-contact that does not…
…this plate movement explains why basalt covers the entire ocean floor. How does this tectonic environment create the conditions for basalt to form? Where would you expect to find the…
…does molecular mass affect diffusion speed? Use the Diffusion and Molecular Mass model to find out! Screenshot of Diffusion and Molecular Mass model. Challenge your students to create an outcome…
…building as they wish. Solar yield analysis of the first house The actual time-consuming part is to get the right dimension and orientation of a real building and the surrounding…
…ideas. After some time, the teacher notices one group converging around a single concept: a rain barrel. Although she encourages the team to expand their thinking, they’re stumped. The Mobile…
…than one Mr. Fullerton. While her earliest math teachers roused Druken’s love of the subject, she got a taste of teaching during her time as an undergraduate math major at…