I really liked the rocket unit demo... they had some great ideas and made it fun.
Tim's ice and boiling was really great too. I like doing the hands on testing and graphing and discussing with the group what worked and what didn't work. The icecream was great too (tasted great and froze up nice).
The photosynthesis was great, a lot of the things they talked about, I started doing variations last year and everything really worked great.
Thanks- see you tomorrow!!
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