Ms. Pinta's Physical Science Parent Portal

This blog will serve as a way to share and communicate what my students are learning in physical science. I hope that what you find here is useful, interesting, and informative. I will post weekly updates of classroom activities, projects, and related articles. Please feel free to join in the conversation concerning weekly topics. I will share your comments and feedback with the students. I think that they will be excited to hear what their parents have to say about the topics that we will cover!

Friday, August 30, 2013

Mystery Tube Challenge

This week students built prototypes and drew models to account for the behavior of a mystery tube.  The mystery tube is a solid tube with three strings that are taut against the side of the tube and just one string hanging.  When any one string is pulled, the protruding string retracts. . .yes, any string!!!

Students, given only three observations of the way that the tube worked had to draw their first model of the inside of the mystery tube.  After making additional observations (that didn't include destroying, opening, or dropping the tube) they constructed a second model.  The next day I brought out a variety of tubes, strings, and other objects that they could use to build a working prototype.  Below is one of the prototypes built by a team of students from 2nd period.










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