Using Leaf Epidermal Peels to Determine Stomatal Density
by Catherine Wade and William Callahan
This module provides an opportunity for students to observe leaf stomata and make predictions about interactions between plants and environmental conditions. After introducing students to the basic form and function of stomata and discussing photosynthesis and transpiration, students will hypothesize about the distribution of stomata on the upper and lower leaf surfaces. Then, they make wet mount slides of leaf epidermal peels to view stomata under a microscope and calculate average stomatal densities for the top and bottom of the leaf.
Docs: fulltext.docx worksheet.docx
Keywords: argument, communication, data, explanations, investigations, HS-LS1.A, HS-LS1.C, math, plants, prediction, questions, stability, stomata, structure, transpiration
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