Curated OER
What's That Tree?
Fifth graders identify trees along a nature trail. Using a dichotomous key, 5th graders answer questions to aid in their identification of trees along a specified nature trail. Observations are recorded in their science journals. Sample...
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.
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...
Chicago Botanic Garden
Impacts of Climate on Forest Succession
Part two in a series of four explores the effects of climate on succession or the changing of plant species in a forest. Groups review how to identify trees and then spend a day in the field collecting extensive data on trees to...
Curated OER
How Appropriate is that Tree?
Students identify trees and their environments using a dichotomous chart. In this exploratory lesson students use the Internet to identify conditions needed for the trees and what the climate is in their area.
Curated OER
Bringing Forestry into the Classroom
Here are ways to incorporate science, math, and language arts while learning more about the forests that sustain us.
Curated OER
SORTING ALL SORTS
Learners examine how the method of classification is used. In this sorting lesson students take a pre-test, classify organisms and complete a crossword puzzle.
Curated OER
Taxonomy
Students analyze the complexity of organism classifications based on certain criteria. In this classifying organisms lesson students study taxonomy and gather information and leaves to do their own experiment on classification.