Kristina, this looks interesting since I teach cells as well. In grade seven, we review cell organelles and functions, however, cell size is only mentioned. Students would benefit from comparing various cells and creating a graph as a visual presentation. Are two class periods adequate for this lesson, or would I need to schedule additional computer time? Our classes are about the same length of time. Also, do you have web sites available to locate scaled cell pictures? This lesson looks great!
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