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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
Early Settlements
Students embark on a journey through colonial times. In this early settlement lesson, students come to understand what life was like for the settlers in the early colonies. Students research and create projects illustrating their...
Curated OER
Mapmaker, Make Me a Map!
Students are introduced to the state quarter program and examine the Colorado state quarter. They locate Colorado on a map and create a map with a key. They discuss the state motto and examine pictures of the state's geographical features.
Curated OER
Aquatic Ecosystems
Ninth graders record information on aquatic ecosystems and create a labeled diagram of an ecosystem of their choice. They can choose from an ocean zone, estuary, river, lakes, or beaches. The student has to explain their biome of choice.
Curated OER
Conservation Collage
Young scholars identify many different ways the environment is polluted, and determine ways to prevent pollution. They create a collage of pictures describing how the earth becomes polluted.
Curated OER
Ecology: Symbiosis
Eighth graders identify various types of symbiotic relationships. In this ecology lesson, 8th graders predict whether certain organisms can form symbiosis with other organisms. They discuss and defend their reasoning.