Viewing stomata is a fun one-day lab during your photosynthesis or plant unit. The first time I had students do this lab, I got out razor blades (I know) and tried to have students cut off thin slices of the leaf. Needless to say it didn't work out terribly well. Here is a much easier (and safer!) method to view stomata. You will need:
Procedures:
I generally show students up on the board what stomata look like because they are often confused as to what they are looking at. Since the slide is tape and not a wet mount, there will be air bubbles students need to ignore. I tell them to look for round mouth-like structures (see the image below). It would be a fun extension activity to have students look at different leaf types and compare the size of the stomata. If you would like a free powerpoint I created for this lesson, click here to download it. Enjoy!
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Becca
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