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...

Students create a dichotomous key. For 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...

Young scholars, after making quantitative and qualitative observations of their rocks, construct a Venn diagram or dichotomous key to classify their rocks.

Fifth graders define vocabulary terms, identify the characteristics of a pillbug, and create a dichotomous key. Then they examine the pillbugs and make observations and record these observations. Finally, 5th graders observe specific...

Students explore diagrammatic and taxonomic keys and their application in the marine sciences. They sort and classify objects and organisms based on visual attributes.

Students utilize their own drawings of spiders to analyze and sort the attributes that each student drew.