Monday, May 7, 2012

Building Rafts, Part 1

We are done with testing, and wrapping up the year.  In my seventh grade classes, I have a few things i want to do with them to get them as ready as possible for eighth grade (especially now that I've taught eighth grade for a year). 

On the other hand, my eighth graders are DONE!  So, today we began the first of our projects. 

Earlier in the year I stumbeld across the Building Rafts Project on TpT.  I actually wanted us to get to do it before testing, because it looks like it's going to be great for creating scatterplots and lines of best fit, but it will be a great activity to do with the nice weather.

Today, the groups built their five rafts, according to the specifications.  I had my students do this a day in advance because of some experience I had with glue and popsicle sticks not being very sturdy earlier in the year.  It was interesting to see them interpret the directions in their own way.

Tomorrow, they are going to see how many pennies it takes to sink each of their rafts... One group decided to try and "water seal" their rafts with extra glue, they might not sink haha!

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