Here's an activity I've used with 4-6 grade.|
Teacher Demonstration (Messy but memorable):
Take some panty hose and cut off one leg, leaving an opening at each end.
Cook some instant oatmeal. I usually cook 3 - 4 cups. Set aside until demonstration. Lay newspaper and/or plastic on a table(I use the floor and have the kids sitting around).
Pack the oatmeat into one end and with the students watching, squeeze the oatmeal from one end to the other end. The porous hose will allow nutrients (LOL) to escape and by the time you've worked the oatmeal out the other end....it's just a small amount.
Sound effects (not in lesson plan): The students watch anxiously as you do the demonstration, laughing, oohing, aahing, until that "final moment" when it passes all the way through. Be prepared for the "Plop!" remark.
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