- These are photographs
of cells for showing students what they should be looking for under a
on the proper use of
the microscope and how to prepare a slide or try "Learning
to Use the Microscope."
human cheek cells and onion cells in "Comparing
Plant and Animal Cells"
Lab. If Elodea (also
is available at a pet store near you, you may add this to the lab to
how boiling affects the absorption of
Methylene blue by yeast cells in the "Cell Membranes"
a cheap plastic baggie and iodine to show diffusion.
- Observe osmosis
using an egg.
- Do this "Speed
demo using perfume and a 60-watt light bulb.
middle school lab is "Diffusion
of Water with Gummy Bears."
Froberg of Westford, MA modified the above lab. His version
is "Investigation: Osmosis with Gummi Bears" .
He also suggested that you
try the experiment first since some brands of bears dissolves instead
- Try this
"Diffusion Through a Gel" lab
from Michael Gatton of
the NSTA Listserve.
- Do this
Lab" that uses a cornstarch
solution, iodine, and plastic
Musheno from the NSTA Listserve contributed the "What Is the Ideal Cell
lab that uses potatoes.
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