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Lab: Lettuce Seed Assay

Lab: Lettuce Seed Assay
Contributors
Irv Levy
Chemistry teacher | Pingree School
Learning Objets
Summary
Students assess the toxicity of methanol, ethanol and isopropanol by examining the effect these substances have on germination of lettuce seeds. The procedure introduces students to the concepts of toxicity measurements, while using standard equipment and common techniques such as serial dilution and volumetric measurement. Concepts: ecotoxicity, serial dilution, volumetric measurement.
Keyword Tags
Toxicology
Ecotoxicology
Dose-Response
Solvents
File (PDF, PPT, image, etc)
lettuce_seed_assay.docx
Learning Goals/Student Objectives
Assess the toxicity of methanol, ethanol and isopropanol by examining the effect of these substances on lettuce seed germination.
Object Type
Laboratory experiment
Audience
Introductory Undergraduate
Green Chemistry Principles
Designing Safer Chemicals
U.N. Sustainable Development Goals (SDGs)
Responsible Consumption and Production
Safety Precautions, Hazards, and Risk Assessment
Standard PPE for use of methanol, ethanol, and isopropanol
NGSS Standards, if applicable
HS-PS1, HS-ESS3

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Submitted by

Tyler Schisler
Published on
Moderation state
Published
Creative Commons License
Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.