A clever presentation introduces youngsters to animal identification keys. On the first slide, viewers choose an animal and then answer yes-or-no questions about its characteristics. When they have completed the process, they click on a...

Young scholars 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...

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.

Students 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 identify an...

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.

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