CK-12 Foundation
CK-12 Earth Science Concepts for Middle School
Explore a variety of science concepts in an interactive textbook created for middle school scholars. A lengthy table of contents takes readers to pages comprised of a subject overview, outline, and summary. Follow links further to find...
Curated OER
Earth Science Lesson Plans on Geologic Time
Springboard your fourth and fifth graders into the study geologic time. They will complete 7 activities to learn about geologic time and the topics most often associated with it: astronomy, creation, planet formation, volcanology,...
Curated OER
Species Diversity and Phylogeny
Students explore the classification system of organisms: taxonomy. They examine prepared slides of Protozoans and record information on a Taxonomy Recording Sheet. Two additional classifying activities are also included in this lesson.
Curated OER
Australian Mammals: Evolultionary Development as a Result of Geographic Isolation
Young scholars examine the differences between monotremes, marsupials, and placental mammals and are able to contrast these organisms with other mammals. They learn about unique variation and the diversity of mammals located in Australia.