Virginia Department of Education
A Dichotomous Key of Virginia’s Native Plants
Can your class correctly classify plant species? Individuals explore native plants of the local environment and correctly classify them into their respective categories. They investigate differences in the plants and discuss similarities...
Curated OER
Classifying the Class
Fifth graders create dichotomous keys to create classifications of students in the classroom by writing instructions. In this classifications lesson plan, 5th graders learn how dichotomous keys are used in science observations.
Curated OER
What is in a Name?
Students examine taxonomy and the use of dichotomous keys through two activities. They use a dichotomous key and create one of their own as well as create new scientific Family names for penguins using same word roots used by taxonomists.
Curated OER
Do You Have the Key?
Students practice using a dichotomous key. In this classification activity, students read an article about scientific exploration and identification of new species. They use a dichotomous key to identify objects and create their own key.
Curated OER
Seeds and Trees Lesson Plan
Students investigate various tree leaves and use a dichotomous key to classify the leaves. In this leaf classification lesson, students study various types of leaves and their Genus. Students record observations for each Genus.
Curated OER
Dichotomous Chips
Students create a dichotomous key to different varieties of potato chips. In small groups, they observe and record characteristics of the potato chips to use in the key. They switch keys with another group to see if they can identify an...
Curated OER
Reptile Identification Exercise
Students are shown how to use the Digital Atlas of Idaho. They use a dichotomous key to identify species of Idaho reptiles. Students describe some basic life characteristics of reptiles. They use th visual key to identify the species...
Curated OER
The Food Pyramid
Fourth graders plan a variety of nutritional meals using the USDA's Food Guide Pyramid as a reference and analyze food labels to plan their meals. They examine and discuss the Food Pyramid, and create dichotomous keys separating food...
Curated OER
Everybody Needs a Rock
Students, after making quantitative and qualitative observations of their rocks, construct a Venn diagram or dichotomous key to classify their rocks.
Curated OER
Mystery Minerals
In this science worksheet, students complete a chart of mineral properties. Minerals are listed by number, and students perform various tests to determine luster, hardness, color, streak color, fracture type and cleavage type. They use a...
Curated OER
Introduction To the Classification of Organisms
Students discuss how scientists classify organisms. In pairs, they analyze and label "specimens" of breakfast cereals in order to classify them into the correct group. They create a dichotomous key for several species of animals.
Curated OER
Dichotomous Key
Young scholars develop an understanding of how a dichotomous key is organized. In this dichotomous lesson, student are put into small groups, and work together dividing their group of similar objects (buttons, paper clips, screws,...
Michigan Sea Grant
Fish Identification
Using a dichotomous key, pupils identify characteristics of fish who live in the Great Lakes and explain how these features help them survive. In small groups, class members discover what features scientists consider important and...
Biology Junction
Classification of Life
Did you know scientists identify more than 13 billion species of organisms, and they discover more almost every day? An interesting presentation demonstrates how scientists keep track of so many species. It also shows how they...
Curated OER
In a Class of Their Own
Students explore taxonomy and how birds are classified in this scientific system. They use this knowledge to create entries for a field guide to birds that can be used to identify different species.
Kenan Fellows
Determining Stream Health by the Diversity and Types of Benthic Organisms
How diverse are the benthic organisms found in local streams? Using the information learned in previous lessons on identification of macroinvertebrates and on calculating stream index values, groups determine the health of local streams....
Curated OER
Bean Sort
High schoolers define and discuss dichotomous keys. They create a dichotomous key to identify a bag of mixed beans, and assign their group of beans a genus and species name.
Curated OER
Taxonomic Keys
Seventh graders create their own dichotomous key. In this biology lesson, 7th graders classify animals based on their observable features. They explain how to use their dichotomous key.
Curated OER
Invertebrate Classification
Students discuss the recent disovery of the "furry lobster" to peak interest in the animal kingdom. They classify various speciments using invertebrate dichotomous keys, identifying major animal phyla and classes. Thy the complete the...
Curated OER
Exploration of 'pill bugs'
Fifth graders define words. They create a dichotomous key. After carefully examining pill bugs, 5th graders record observations. They compare and contrast habitats of pillbugs.
Curated OER
Seeds in Fall...Collect Them All!
Classify seeds by attributes such as size, shape and color! Learners classify seeds using a dichotomous key. They identify human behaviors that have a positive impact on preserving seed and plant biodiversity.
Curated OER
All About Arthropods
Use a dichotomous key to classify these squirmy bugs. A paragraph provides fifth graders with some background knowledge on the animal kingdom, and explains how to use a branching key for classification. They then determine which bugs...
ARKive
Species Discovery
How many of your students know that even today new species are being found all over the globe? Introduce them to the amazing diversity our planet houses with a creative activity about animal variation and classification. They'll use a...
Michigan State University
Bug Lyphe!
Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...
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