Captain Planet Foundation
Which Plant Is Which?
Learn about dichotomous keys, plant identification, and how to care for the planet with a lesson that includes several hands-on and innovative activities. Kids go on a plant scavenger hunt and classify the plants that they find...
Discovery Education
The Key to It All
Which characteristics make organisms unique? Dichotomous keys simplify the process of classifying organisms by focusing on these unique characteristics. Young scholars learn how to use the dichotomous key flow chart by creating their own...
Kenan Fellows
Use of Dichotomous Keys to Identify Stream Organisms
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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...
Curated OER
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.
Curated OER
"Finding Your Sweet Tooth"--An Introduction to the Dichotomous Key
Sixth graders classify candy according to observable characteristics. They use a dichotomous key to identify their bag of "treats." Thus, describe how dichotomous keys help to the identifying of organisms. Design a self-generated...
ARKive
Species Discovery
How do you classify a newly discovered species? Learners view a presentation and complete research about biodiversity and the classification hierarchy. The lesson includes activities with dichotomous keys and work on classifying both...
NASA
The Types of Clouds and What They Mean
Learn to forecast the weather using cloud types. Budding meteorologists identify cloud types and learn to use a dichotomous key. As scholars develop observation and identification skills, they discover how different cloud types cause...
Curated OER
Classification Schemes
Junior biologists journey through the hiearchy of living things with these activites. Using a dichotomous key, they identify common algae, plants, and fish. They design their own key for a mixture of seeds and a collection of...
Curated OER
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.
Curated OER
Desinging and Using a Dichotomous Key
High schoolers are examine the purpose of dichotomous keys. In groups, they design their own in order to describe the characteristics of plants and weeds native to California. To end the lesson, they define new terminology associated...
Curated OER
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...
Curated OER
Building a Dichotomous Key
Pupils analyze how a dichotomous key helps us explain and identify unknown organisms. They design and construct a dichotomous key, developing a list of three observable characteristics per organism.
Curated OER
The Sky and the Dichotomous Key
Students use a dichotomous key to distinguish between different types of clouds
Curated OER
Dichotomous Key
Eighth graders use a dichotomous key to identify unknown fictitious organisms. They work individually during this exercise. The task is designed to take students approximately 15-25 minutes to complete.
Curated OER
Name that plant!
What is a dichotomous key? When your kids ask, hand them a learning exercise like this one, to explain it. They use the key to identify four different trees, based on the budding twigs they've produced. Tip: Have learners extend this...
Curated OER
Name that metal!
Learners have to have had some experience with metals prior to using this worksheet. They are given five properties common to five different metals. They create or use a dichotomous key to identify the five mystery metals. Tip: This...
Curated OER
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...
South Gloucestershire Council
Animal Classification: A Collaborative Sorting Activity for Key Stages 2 & 3
Introduce the logic behind a dichotomous key or administer a group performance assessment with a fun and challenging classification lesson. With explicit instructions for the teacher and for collaborative groups, as well as engaging...
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...