Biology Corner
The Biology Corner: Dichotomous Key
Here's a great dichotomous key for beginners. Use gremlin-like creatures to learn how to use more taxonomic keys.
Science Education Resource Center at Carleton College
Serc: Creation of Dichotomous Keys From a Bio Blitz
An outdoor lab where students investigate the environment and decide a method of survey to identify trees in their area. To finish the exercise they will create a dichotomous key of the ten they identified.
Science Education Resource Center at Carleton College
Serc: Investigating Trees: Using a Dichotomous Key to Identify Local Tree Types
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...
Oregon State University
Oregon State University: Dichotomous Key
An excellent starting point. Get a good description of what the dichotomous key for tree identification is and then directions for using it to identify trees.
Other
Villanova University: Constructing a Dichotomous Key
This exercise provides information on how to construct a dichotomous key using geometrical shapes. Another exercise shows how a key can be constructed based on traits in a classroom group.
Other
O. Henry Middle School: Texas Native Plant Dichotomous Key [Pdf]
A key for classifying Texas native plants. Observe the characteristics of a plant and make choices as you work through the key to find out its binomial name.
Science Education Resource Center at Carleton College
Serc: Introduction to Dichotomous Keys
This lesson serves as an introduction to the classification of plants and animals or trees. Students will investigate how to classify objects based on their similarities and differences. They will use technical writing to explain their...
Science Education Resource Center at Carleton College
Serc: Using and Creating a Dichotomous Key
Students will investigate classification through a sorting activity and discus real-life evidence of classifying objects.
Other
Siemens Science Day: Life Science: The Key to It All
For this hands-on science activity, students will create their own unique creatures as well as dichotomous keys so that classmates can identify the creature.
Other
Science4 Us: Materials
Students use a dichotomous key to sort materials into natural and man-made and sort further using the adjectives rough and smooth; this activity builds both science and language skills as students classify materials and build deeper...
PBS
Pbs Teachers: Jewel of the Earth
Collect and analyze organisms and use a dichotomous key to identify and classify the organisms. Research the evolutionary history of organisms.
Other
Alice Ferguson Foundation: Bridging the Watershed: Plant Identification
Use this interactive guide to identify plants based on their leaves. For each step, you are given two choices, and you continue down the branches until you discover a plant's name.
Science Education Resource Center at Carleton College
Serc: A Student Produced Field Guide to Neighborhood Trees
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...
Science Education Resource Center at Carleton College
Serc: Identifying Macroinvertebrates to Determine Health of Aquatic Ecosystem
In 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.
James Madison University
James Madison University: Dept. Of Geology and Environmental Science: Minerals
Descriptions and pictures of over thirty minerals are available at this website. Documents describing the properties of minerals and how to use the properties for identification templates to make models, and dichotomous keys make up the...
PBS
Nova Teachers: Treasures of the Great Barrier Reef: Classroom Activity
This activity involves having students classify nine fish according to various physical characteristics. They can also develop a key to identify the fish.
Environmental Education for Kids
Eek!: Water Critter Key Life in a Pond
Use this interactive key to identify a critter that you found in the water. Expand it to full-screen for the best experience.
SRI International
Performance Assessment Links in Science: Identifying Creatures
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.
Biology Corner
Biology Corner: Taxonomy Project
A teacher lesson plan that allows students to pretend to be an alien taxonomist working with fictitious animals to create their scientific name, classification chart, design a dichotomous key, and create a food web.
Other
Amateur Entomologists' Society: Bug Identification
This resource allows users to complete bug identification.
Science Education Resource Center at Carleton College
Serc: Investigating Plant Life in Our Nature Center
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,...
Utah Education Network
Uen: Classifying Conundrum
In this activity, 4th graders will identify plant characteristics from different environments.
Other
Aes: Bug Identification
This interactive resource can be used to identify the order of an insect.
Enchanted Learning
Enchanted Learning: Plants
Enchanted Learning provides information an illustrated plant dictionary as well as printouts, flower anatomy, and plant-related crafts.
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