Curated OER
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...
Curated OER
Building a Dichotomous Key
Students 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.
New South Wales Department of Education
Plant Features
Pine needles are actually modified leaves. In the 16th installment of 20, young scientists explore plants. Through an analysis of leaves — shape, veins, and edges — pupils see how to classify plants based on structural features.
Curated OER
Tree Identification
Students are introduced to the characteristics of trees and different techniques to identify them. They distinguish between a deciduous and a coniferous tree. Students describe at least four characteristics used to identify trees. They...