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...
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
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
Primary Activity: Dichotomous Key of Energy Sources
In this energy sources worksheet, students fill in a chart using a dichotomous key of energy sources. They use follow the directions and label items such as the sun, a windmill, and an oil rig with the proper number and letter labels...
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
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
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
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
Bird Ecology Unit
Tenth graders conduct various activities utilizing the scientific method to formulate a hypothesis, conduct a controlled experiment, collect and analyze the data and communicate their results through a poster. They also identify...
Cornell University
Classification
Explore the scientific method of classification. An interactive activity asks learners to create a classification system for a group of objects and develop a flow chart to communicate their systems. In addition, individuals use a...
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
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.
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.
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
The Key To Classifying Animals
Explorers of the environment construct a dichotomous key for a variety of organisms and design a key to classify Galapagos animals based on descriptions and images. The lesson includes a link to an animal gallery and the worksheet for...
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...
Illinois State Curriculum Center
Gender Roles and Careers
Should men be willing to work for women? Can women think as logically as men? Here is an interesting activity in which learners complete a survey regarding gender roles and then consider whether their scores reflect traditional or...
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.
Curated OER
Using a Dichotomous Key for Invertebrate Phyla
Learners use a key to determine the phyla of invertebrates. They are broken into groups and each group gets a stack of pictures and uses the key to determine which phyla the animal belongs to. There are also individual questions for...
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...
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...