Greenhouse structure model activity

Document created by Lindy Holt on Jan 28, 2014Last modified by Lindy Holt on Jan 30, 2015
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When discussing different types of greenhouse structures, I have my students build a small model of each type (A-frame, uneven span, even span, connected) using spaghetti and marshmallows.  Its cheap, not too messy and yummy!  I would open the marshmallow bag early to allow them to harden up a bit, fresh marshmallows will tend to allow the structure to sag.  I allow about 15-20 minutes for this activity.




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