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OKLAHOMA STATE UNIVERSITY
Seed Germination and Dormancy
Explore how seeds germinate and how stratification and scarification can help overcome seed dormancy.
At a Glance
Grade level: High school
Time: One class period per activity, plus observation time
Topics: Germination, dormancy, stratification, scarification, experimental design
Includes: Videos, worksheets, and report templates
Factors Affecting Seed Germination
Investigate how water, temperature, light, and oxygen influence seed germination and early seedling development.
Worksheets and Materials:
Cold Stratification
Learn how a period of cold, moist conditions helps release physiological dormancy in certain seeds.
Worksheets and Materials: Stratification
Seed Scarification
Explore how scratching or weakening a hard seed coat can allow water to enter and improve germination.
Worksheets and Materials: Scarcification
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