Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Trees: Using a Dichotomous Key to Identify Local Tree Types

For Teachers 3rd - 5th
Using their own classification methods students will identify the types of trees found around their school and neighborhoods. Students will then present their classification methods to the class. Later students will use dichotomous tree...
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Biology Corner

The Biology Corner: Dichotomous Key

For Students 9th - 10th
Here's a great dichotomous key for beginners. Use gremlin-like creatures to learn how to use more taxonomic keys.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Using and Creating a Dichotomous Key

For Teachers 6th - 8th
Students will investigate classification through a sorting activity and discus real-life evidence of classifying objects.
Activity
Science Education Resource Center at Carleton College

Serc: A Student Produced Field Guide to Neighborhood Trees

For Students 9th - 10th
During this project, students will be working cooperatively to create a field guide of trees in the neighborhood near the school. Students will make observations of trees near the school. They will then learn about tree anatomy and...
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Identifying Macroinvertebrates to Determine Health of Aquatic Ecosystem

For Teachers 9th - 10th
For this hands on activity students will learn how to identify basic macroinvertebrate using a dichotomous key. They will complete a chart used by the MPCA and we will discuss why an ecosystem may not be healthy or not.
Lesson Plan
Science Education Resource Center at Carleton College

Serc: Investigating Plant Life in Our Nature Center

For Teachers 3rd - 5th
In this Nature Center activity, students will apply knowledge from our classifying living things unit. They will compare what they already know about leaves to actual leaf samples. After collecting 5 leaves and keeping them in a journal,...
Interactive
Environmental Education for Kids

Eek!: Dichotomous Tree Key

For Students 9th - 10th
Identify a tree using this interactive identification tool.
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SRI International

Performance Assessment Links in Science: Identifying Creatures

For Teachers 3rd - 5th
Students use a 10 step dichotomous key to identify three mythical animals of their choice. The pictures of the animals and the key are both provided.