Curated OER
Digital Wildflower Collection
Young scholars examine biodiversity and classify organisms. In this wildflower lesson students go out and take pictures of plants then create a presentation to show the class.
Science Education Resource Center at Carleton College
Serc: Investigating Trees: Using a Dichotomous Key to Identify Local Tree Types
Using their own classification methods students will identify the types of trees found around their school and neighborhoods. Students will then present their classification methods to the class. Later students will use dichotomous tree...
James Madison University
James Madison University: Dept. Of Geology and Environmental Science: Minerals
Descriptions and pictures of over thirty minerals are available at this website. Documents describing the properties of minerals and how to use the properties for identification templates to make models, and dichotomous keys make up the...