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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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Introduction to the Plant Kingdom PowerPoint and Notes for Teacher and Student
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Photosynthesis Homework Assignments - Set of 3
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Amy Brown (Science Stuff)
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
You might also be interested in the following:
Introduction to the Plant Kingdom PowerPoint and Notes for Teacher and Student
Introduction to the Plant Kingdom: Question and Answer Review PowerPoint
Photosynthesis Powerpoint Presentation with Student and Teacher Notes
Photosynthesis Homework Assignments - Set of 3
Photosynthesis Crossword Puzzle
Photosynthesis Quizzes - Set of 3
Photosynthesis Powerpoint Jeopardy Review Game
Photosynthesis Complete Unit Plan - 15 separate products
Amy Brown (Science Stuff)
K-12 Subject:
Grade Level(s):
Teaching Duration:
55 Minutes
Type of Resource:
Answer Key:
Included
# of Pages/Slides:
10
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956.36 KB | 10 Pages
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Kysmom4
Excellent lab.
March 20, 2013 
Showing 1-1 of 1
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QUESTIONS AND ANSWERS:
carebear91680
Do you know if you can use pine needles for this lab? Most of our trees have lost their leaves in New Jersey..
Thanks
Shannon
Thanks
Shannon
December 2, 2011
Science Stuff (TpT Seller)
I have never tried this with pine needles but I do not think this would work. The "needle" is an evolutionary adaption to reduce water loss from the leaf. The stomates would be terribly reduced in size, and (I bet) not visible with middle/high school microscopes.
Here is a suggestion. Go to the grocery and buy some fresh spinach. Tear the spinach leaf and try to separate the thin membrane along the lower surface of the leaf. Even if you don't think you have separated the lower epidermis, place the leaf under the microscope and focus on the torn edge of the leaf. I have not actually tried this myself, but I think this will work. The stomates should still open and close if the spinach is fresh enough. Send me an email if you need more help: amy1007@aol.com
Here is a suggestion. Go to the grocery and buy some fresh spinach. Tear the spinach leaf and try to separate the thin membrane along the lower surface of the leaf. Even if you don't think you have separated the lower epidermis, place the leaf under the microscope and focus on the torn edge of the leaf. I have not actually tried this myself, but I think this will work. The stomates should still open and close if the spinach is fresh enough. Send me an email if you need more help: amy1007@aol.com
December 2, 2011
Showing 1-1 of 1
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