June 18, 2007
Not exactly… but this stuff is really cool. It’s probably best described as a self-siphoning gel. The chemical is called polyethylene oxide or Polyox and it has an incredibly large molecular weight - about 4 million. When the powder is mixed with water (that’s the tricky part), the liquid becomes very thick and will literally siphon itself from one container to another. As a kid I order a product called Moon Blob - “The Gravity Defying Gel” - which promised to do the same thing. It did… but now I’m doing it as an adult! It’s tough to explain it… just watch the Polyox video.
Tags: gravity, gravity defying, gravity defying gel, high school science fair projects, mad scientist, middle school science fair projects, polyethylene oxide, Polyox, polyox video, Science, Science Education, science experiment, science fair experiments, science fair projects, science fair projects for kids, science fair topics, science for kids, science projects for kids, Science Video, self siphoning gel, steve spangler, Steve Spangler Science, water flowing uphill
Filed under: Teaching Moments
May 8, 2007
Only a very cool teacher gives this kind of homework to her students… “Using only construction paper and tape, I want you to design a rocket.” Lisa Heaton, the Gifted and Talented teacher showed her students a specially designed rocket launcher made out of PVC plumbing parts from the local hardware store. The idea for the PVC rocket launcher comes from U.S. Space Camp for Educators curriculum. I had the privilege of assisting Mrs. Heaton with the launch of the paper rockets. As the students will share in the comments below, the first launch revealed their design strengths and flaws. The five students with the best launch served as mentors for the rest of the students as they returned to the classroom to repair and redesign their paper rockets. The second launch proved to be the real learning experience - be sure to read comments from the young rocketeers below.
“This rocket launch activity coincides with the students reading Rocket Boys (also known as October Sky) by Homer Hickam. I want these kids to experience first hand the feeling of failure and success …
Continue Reading…
Tags: Homer Hickam, October Sky, paper rockets, PVC rocket launcher, rocket, rocket boys, Rocket Scientists, safe science, Science, Science Class, science classroom, Science Education, science experiment, science fair experiment, science fair experiments, science fair projects, science fair projects for kids, science fair projects ideas, science fair topics, science for kids, Science in the Rockies, science projects for kids, Science Teacher, science teachers, Science Video, steve spangler, Steve Spangler Science, steve spangler science experiments, young rocket scientists
Filed under: Teaching Moments