Curated OER
Classification of Cerealites
Students create a dichotomous key. In this categorizing lesson, 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
Young scholars 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...
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
Students 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, keys...)...
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...
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...
Curated OER
In a Class of Their Own
Learners 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
Students 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...
Chicago Botanic Garden
Impacts of Climate on Forest Succession
Part two in a series of four explores the effects of climate on succession or the changing of plant species in a forest. Groups review how to identify trees and then spend a day in the field collecting extensive data on trees to...
Curated OER
Water in the Biosphere
Environmental explorers examine the campus and take note of living organisms. Introduce them to the biosphere and the questions of the day: How much water can be found in the biosphere? A slide show helps you along, and even contains a...
Curated OER
Classify Machines that Fly!
Eighth graders explore flight and the dichotomous key. In this flight lesson, 8th graders gain understanding of the dichotomous key and create one of their own. Students then use their dichotomous key to classify types of aircraft.
Curated OER
Create a Dichotomous Key of Idaho Reptiles
Students use the reptile section of the Digital Atlas of Idaho. They make a dichotomous key and decide on what defining characteristics they can use to distinguish between species. They hone their observation skills and recognize...
Curated OER
Pond Ecology
A lab activity is a great way to incite thoughtful questioning and scientific processes. Pupils will collect organisms with a Petri dish, make observations, sketch the organism, ask questions, then attempt to identify the specimen...
ARKive
Primate Evolution- Family Ties
If humans evolved from apes, why are there still apes? Using captivating pictures and videos of our primate cousins, young biologists examine evidence to dispel one of the most common misconceptions about human evolution. Depending on...
Curated OER
Jewel of the Earth
Students investigate several organisms, set sticky traps to collect them, and attempt to identify and classify them using a variety of sources. The origins of the organisms are traced and their adaptive features examined.
Curated OER
A Tree-mendous Project
Seventh graders use their observation and measurement skills to identify trees. Using a tree diagram, they label the parts and discuss the functions of the tree. They practice using a dichotomous key to identify trees as well.