1. Are the objective and introduction written in an engaging way? Yes No     If 'No' please explain. characters left 2. Is the difficulty level accurate? Yes No     If 'No' please explain. characters left 3. Were the materials easily obtained? Yes No     If 'No' please explain. characters left 4. Was the procedure clear? Yes No      If 'No' please explain. characters left 5. Were all safety measures included? Yes No      If 'No' please explain. characters left 6. Did you obtain clear, unambiguous results? Yes No     If 'No' please explain. characters left 7. How much time did you spend on the project? Choose One... A day or less Several days About one week A couple weeks Several weeks to months 8. How much did the project cost? Choose One... Less than $20 $20 - $50 $50 - $100 $100 - $150 $150+ Optional:  Do you have any suggestions to improve this project? characters left Optional:  Attach a picture of your project (JPG, JPEG, GIF, PNG only) Optional:  Caption for picture characters left Thank you for your feedback! * Note: This is an abbreviated project idea, without notes to start your background research or a procedure for how to do the experiment. You can identify abbreviated project ideas by the asterisk at the end of the title. If you want a project idea with full instructions, please pick one without an asterisk. Abstract Plant stems grow through a process of elongation due to cell divisions within the stem. Does the entire length of the stem elongate evenly? Or do certain regions along the plant stem grow more or less than others? Regions that are involved in active growth are called vegetative. You can conduct an experiment to show which regions of a bean seedling are involved in vegetative growth. Use a marker to mark one inch sections along the main stem of a young bean seedling. Number the regions 1-6 along the stem from the root to the shoot. Keep a daily log by measuring each region along the stem for a week or so. Do any of the regions elongate? Which regions show the most elongation? Which regions show the least elongation? What do you think would happen if you tried the same experiment with another species? What if you tried it with an older more mature plant? Will light or temperature effect the rate of growth? (VanCleave, 1993, 69–74; Vecchione, 2001, 150–151) Bibliography VanCleave, J. 1993. Janice VanCleave's A+ Projects in Biology. New York, NY: John Wiley & Sons, Inc. Vecchione, G. 2001. 100 Award-Winning Science Fair Projects. New York, NY: Sterling Publishing. Shop for Supplies at Science Buddies Online Store Science Buddies has compiled some suggestions for harder to find items in our Amazon store. The store does not include every item for every project, but it does include items that we feel work for the projects on our website. If you have comments or would like us to add items to the store, please contact us at scibuddy@sciencebuddies.org. Variations For more science project ideas in this area of science, see Plant Biology Project Ideas. Last edit date: 2008-11-11 12:09:37

I Did This Project! Tell us about your experience with this science project. What was the most important thing you learned? characters left What problems did you encounter? (Enter "none" if you had none.) characters left Can you suggest any improvements or ideas? (Enter "no" if you have none.) characters left How do you rate this project? Poor OK Good Very Good Excellent Optional:  Attach a picture of your project (JPG, JPEG, GIF, PNG only) Optional:  Caption for picture characters left Thank you for your feedback! Related Links Science Fair Project Guide Project Summary Difficulty  4  –  5  Time required Long (a couple of weeks) Prerequisites None Material Availability Readily available Cost Very Low (under $20) Safety No issues Share this Project Idea! Donate to Science Buddies Motorola Solutions Foundation sponsors Summer Science Camp Resource Summer Science Camp Resource

Career Focus

If you like this project, you might enjoy exploring related careers.

	Agricultural Technician As the world's population grows larger, it is important to improve the quality and yield of food crops and animal food sources. Agricultural technicians work in the forefront of this very important research area by helping scientists conduct novel experiments. If you would like to combine technology with the desire to see things grow, then read further to learn more about this exciting career.			Plant Scientist With a growing world population, making sure that there is enough food for everyone is critical. Plant scientists work to ensure that agricultural practices result in an abundance of nutritious food in a sustainable and environmentally friendly manner.

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