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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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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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Dichotomous Keys
Students utilize dichotomous keys to identify trees in their schools. In this ecological identification instructional activity, students practice creating dichotomous keys based on simple subjects such as hair color or sex of a person....
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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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Distinguishing Between Flowers
A branching key is a great way to classify different types of animals and plants! Fifth graders answer several yes/no answers about three different plants. They then create their own key to differentiate between an iris, a rose, and a...
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Life Cycle of Trees
Turn your students into young tree-tectives with this fun science investigation into the life of trees. To begin, a class volunteer gets dressed up in a tree costume as the different parts of trees are introduced. Then, the class learns...
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Dichotomous Key
In this species worksheet, students use a dichotomous key to identify the 8 different species of "Norns," a fictitious animal group.
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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.
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Forest Ecosystem
Students take a field trip and explore a temperate rainforest. In this rainforest lesson plan, students discuss many items they see on their journey and experiment with different tree leaves.
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Arizona Plant Booklet: An Introduction to Arizona Plants & Cacti
Students explore variety of plants & cacti in their Arizona community by collecting samples and taking photographs. Can be adapted to other areas.
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SORTING ALL SORTS
Learners examine how the method of classification is used. In this sorting lesson students take a pre-test, classify organisms and complete a crossword puzzle.
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Classifying Conundrum
Fourth graders identify plant characteristics from different environments and communicate that information in different ways. They use a simple scheme to classify Utah plants and animals and make observations and record them in a...