Dichotomous Keys
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In this interactive lesson, students will learn how to use dichotomous keys, a tool used by scientists to identify organisms based on observable traits. Through hands-on activities and a video demonstration, students will practice creating and using dichotomous keys to classify various organisms. They will also explore the importance of accurate observation in scientific classification and understand how dichotomous keys are used to differentiate species. Students will leave with a solid understanding of how dichotomous keys are used to classify organisms and the importance of accurate observation in scientific inquiry.
Standards: MCCRS: L.6.4.1, L.6.4.2, MS-LS4-1, MS-LS4-2; NGSS Standards: MS-LS1-3, MS-LS2-4
Grade level as written: 5 - 8
Time Requirements: 60 minutes
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What Comes with The Lesson?
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Short Educational Video
2:36 min video demonstration on using dichotomous keys
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Materials List
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Lesson Plan
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Classroom Practice Sheet
Class practice sheet for identifying organisms
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Teacher Guide
Example guide for teachers on how to use a make/use a dichotomous key
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Example Animal Pictures for Key
Photos to use for making a key