Search words: Stoma, stomata, leaf structure, photosynthesis, biology lab, lab lesson plan, gas exchange.

This is a lab on the stomata of the leaf. It is appropriate for students in grades 6 - 10. Students will use fresh leaves to observe the structure of the stomata and guard cells. Students will use a glucose solution to cause plasmolysis of the guard cell, which can be observed as students view these cells with a microscope.

Materials needed are: microscope, slides, fresh leaves, cover slips, glucose solution.

Your download will include handouts that are ready to be copied and passed out to your students. Each handout includes: Title, Purpose, Introduction, Materials List, Procedure, Questions, Answers to Questions, and Teacher Preparation pages.

You will receive both a Word document and a pdf document. I have included two different versions of the lab worksheets. They both include the same procedure and questions, but are formatted differently depending on if you want your students to write their own lab reports, or if you want to use the (included) student worksheets. Both versions are included in one download .

NOTE: This product is also included in a bundled package containing 15 products (labs, notes, quizzes, homework assignments, unit test) on photosynthesis. The bundled package can be viewed here: Photosynthesis Complete Unit Plan of 15 Products

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Amy Brown (Science Stuff)