Curated OER
Dichotomous Chips
Young scholars 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...
Curated OER
Potato chip Classification
Students create a dichotomous key using potato chips. In this classification lesson, students sort potato chips into groups based on observable characteristics. They record their results to create a dichotomous key in preparation for...
Curated OER
Classification of Cerealites
Students create a dichotomous key. In this categorizing lesson plan, students create a dichotomous key for different types of cereal. Students classify the cereal into groups such as flakes and cereal with holes. Students discuss their...
Curated OER
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...
Curated OER
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...
LABScI
Taxonomy: Who is in My family?
Find similarities in seemingly unlike organisms. The second instructional activity in a series of 12 builds the concept of a taxonomy and explores the use of a dichotomous key. Learners begin in part one by attempting to group a set of...
NOAA
Vertebrates II
Mammals of the ocean unite! Or not. The 20th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program investigates how warm-blooded marine mammals survive in water. In the class activity, learners use...
Science 4 Inquiry
The Classification of Living Things
It's a classification sensation! Demystify why we classify using an inquiry activity that helps your class sort things out. Groups begin by classifying a variety of shoes before they research organisms and design their own dichotomous...
Curated OER
Using and Creating a Dichotomous Key
Students assess what a dichotomous key is and how it identifies objects in a group through a process of answering yes/no-type questions about certain objects. They examine an interactive graphic key on sea turtles and then create their...
Curated OER
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...
Curated OER
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.
Curated OER
Regents High School Examination: Living Environment 2010
This exam touches upon every topic within the typical first year biology course.. A broad variety of question styles give high schoolers every opportunity to show what they know. Why start from scratch when a comprehensive final exam is...
Curated OER
Classification: Dichotomous Key
Students explain the classification process of organisms. In this biology instructional activity, students practice writing the names of organisms scientifically. They answer the dichotomous key and discuss answers as a class.
Curated OER
The Sky and the Dichotomous Key
Students conduct observations and use a dichotomous key to identify clouds they see.
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,...
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.
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
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
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.
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