Dichotomous Key Teacher Resources
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Learners 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 mollusk parts, which help them through the key.
7th - 8th Math 26 Views 151 Downloads
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 dichotomus key, and they are explained how dichotomous keys are structed and what they are used for.
9th - 12th Science 21 Views 84 Downloads
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 comprehend of the candy key to identifying plants.
6th - 8th Science 19 Views 162 Downloads
Constructing a Dichotomous Key
Students construct a dichotomous key using 10 shoes from students in the classroom. In this dichotomous key lesson plan, students use the chalk board and their pile of 10 shoes to create a dichotomous key. They divide the shoes into 2 piles and define the agreed upon characteristics.
8th - 10th Science 8 Views 70 Downloads
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 families.
9th - Higher Ed Science 3 Views 16 Downloads
Dichotomous Key for Identifying Pine Trees
Students identify the species of pine trees that are found in their area. They use unlabeled "mystery" samples and a dichotomous key to identify the pine trees to species. After identification, they use a field guide to answer worksheet questions about the similarities and differences between the species.
6th - 8th Science 8 Views 43 Downloads
Categories and Dichotomous Keys
Students examine how scientists organize and sort animals into categories, and use a dichotomous key to distinguish between objects. In small groups they sort pictures of animals into groups and discuss their categorizing process. Next, they identify six characteristics of different objects and animals, and complete a flow-chart.
4th - 5th Science 14 Views 82 Downloads
This resource provides thorough instruction in scientific classification for your elementary scientists. They classify a set of alien organism cards, rock samples, a mixture of beans, and a pile of pasta. This provides plenty of practice with using observation skills and introduces learners to dichotomous keys.
3rd - 6th Science 49 Views 188 Downloads
Students use a dichotomous key and levels of taxonomy to classify aliens. They examine sample specimens and discuss how to classify organisms, memorize a mnemonic device for the taxonomic levels, observe the teacher model how to classify an alien, and complete the worksheets independently.
10th - 12th Science 32 Views 117 Downloads
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 observations and record them on a data sheet.
6th - 8th Language Arts 16 Views 59 Downloads