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Constructing a Dichotomous Key
Young scholars construct a dichotomous key using 10 shoes from students in the classroom. In this dichotomous key lesson plan, young scholars use the chalk board and their pile of 10 shoes to create a dichotomous key. They divide the...
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Creating a Dichotomous Key for Amphibians
Learners are introduced to the purpose of dichotomous keys and create one together as a class. In groups, they use a digital atlas to examine the different types of amphibians in Idaho. Using this information, they make their own...
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Mollusk Matching
Students look carefully at shells and observe the differences between
species and the names of common shells. Then they identify and complete a Mollusk Matching handout included in the lesson plan and write the letter of each shell in...
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Dichotomous Keys
Students define the word dichotomous and explain why a dichotomous key is a useful tool in identifying different species. Then they look up words they are unfamiliar with or mollusk reference books so students can
learn the names of...
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What's That Tree?
Fifth graders identify trees along a nature trail. Using a dichotomous key, 5th graders answer questions to aid in their identification of trees along a specified nature trail. Observations are recorded in their science journals. Sample...
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Classification, Keys, and Phylogenetci Trees
Students analyze relationships about animals and create a model of classifications based on both the similarities and the differences. They also discuss a dichotomous key before they create a cladograph using different types of candy.
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Insect Pitfall Traps
Young scholars ask testable questions, use the inquiry cycle to investigate, gather data and interpret the results, study the diversity of insects and other smallorganisms which live around the school; they can make an inventory...
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Dichotomous Key
Students draw comparisons between organisms. They classify organisms. Students are introduced to dichotomous keys and how to create and use a dichotomous key to identify a variety of objects. They begin by defining classification, and...
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Mammal Teeth and Skulls-Adaptations and Identification
Student study the differentiation of teeth and skull adaptations in mammals in general and 14 common terrestrial mammals. They explore more about these mammals, their natural history, their adaptations and their identification through an...
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Introducing the Use of Dichotomous Keys to Students
Students are introduced to the use of dichotomous keys as a simple means of beginning scientific observations in nature. They comprehend how to use a dichotomous key. Students distinguish characteristics of a group of organisms. They...
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Discovering Dichotomous Keys
Learners become familiar with the structure and use of dichotomus keys. They demonstrate a comprehension of the fundamental principles of taxonomy by classifying organisms from a local ecosystem. Students are introduced to the term...
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Dichotomous Key 2
Students use a dichotomous key to identify unknown fictitious organisms in an assessment designed to be used after a discussion on the use of a dichotomous keys has occurred. Follow up questions about key included.
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Collecting and Classifying Pollen
Students collect and analyze pollen from different species of plants. In small groups, they classify pollen according to shape, size and physical characteristics. They draw the basic anatomy of flowering plants and create a dichotomous...
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...
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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.
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Classification and Binomial Nomenclature
Students practice identifying different groups of living organisms using a dichotomous key. Students also examine the history of an organism and its lineage by writing a paragraph about it and "three generations" of ancestors.
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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.
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Paleoecology Using "Fossilized" Owl Pellets
Students study the differences in anatomy to help identify different species and use a dichotomous key to identify what the owls were eating. In this investigative lesson students dissect owl pellets to identify the species eaten and...
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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.
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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.
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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...
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Creating a Dichotomous Key for Families of Idaho Butterflies
Students are shown how to use the butterfly section of the Digital Altals of Idaho. They discuss how to make a dichotomous key. Students use their skills of observation and recognize defining characteristics that distinguish different...
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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...