Open Oregon Educational Resources
Principles of Microeconomics: Scarcity and Social Provisioning
There’s no such thing as a free economics course, but here's a resource that is as close as you can get. Drawing on the expertise of a textbook, augmented by input from higher education economics instructors, a helpful eBook presents a...
Open Oregon Educational Resources
About Writing: A Guide
Ever wish writing was as easy as 1,2,3? About Writing: A Guide outlines the steps to successful writing. The guide begins by explaining the types of writing and then takes readers through the process. The guide even includes a section...
CK-12 Foundation
Ck 12: Life Science: 12.20 Succession
Understand primary and secondary ecological succession, and their importance to ecosystems.
CK-12 Foundation
Ck 12: Life Science: 12.19 Energy Flow
Learn how energy is transferred along a food chain.
CK-12 Foundation
Ck 12: Life Science: 12.18 Food Chain
Learn how energy is passed along through living things in a food chain and web.
CK-12 Foundation
Ck 12: Life Science: 12.17 Consumers and Decomposers
Learn the difference between consumers and decomposers in the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 112.16 Producer
Understand the role that producers play in the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 12.15 Biosphere
Understand Earth's biosphere which contains the lithosphere, hydrosphere, and atmosphere.
CK-12 Foundation
Ck 12: Life Science: 12.23 Nitrogen Cycle
Learn about the Nitrogen cycle, and understand how it affects the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 12.22 Carbon Cycle
Understand the role that the carbon cycle plays in the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 12.21 Water Cycle
Understand the importance water cycling constantly through the ecosystem.
CK-12 Foundation
Ck 12: Life Science: 12.14 Aquatic Biomes
Understand the living and nonliving aspects of aquatic ecosystems.
CK-12 Foundation
Ck 12: Life Science: 12.13 Terrestrial Biomes
Learn about land biomes and their ecology.
CK-12 Foundation
Ck 12: Life Science: 12.12 Biome
Learn how the biomes of the world are determined by their climate and ecosystem.
CK-12 Foundation
Ck 12: Life Science: 11.22 Lymphatic System
Explore the structure and function of the lymphatic system.
CK-12 Foundation
Ck 12: Life Science: 11.43 Peripheral Nervous System
Understand the structure and function of the peripheral nervous system in the human body.
CK-12 Foundation
Ck 12: Life Science: 12.34 Mass Extinction
Discover how mass extinctions play a part in Earth's life history.
CK-12 Foundation
Ck 12: Life Science: 12.32 Habitat Destruction
See how human activity has affected habitat loss and destruction.
CK-12 Foundation
Ck 12: Life Science: 12.31 Conservation
Understand the structure and function of the human lymphatic system.
CK-12 Foundation
Ck 12: Life Science: 12.30 Nonrenewable Resources
Learn about nonrenewable resources and energy, specifically nuclear power.
CK-12 Foundation
Ck 12: Life Science: 12.29 Renewable Resources
Learn how some renewable resources contribute to alternative energy sources.
CK-12 Foundation
Ck 12: Life Science: 12.28 Preserving Water Sources
Learn about preserving water resources.
CK-12 Foundation
Ck 12: Life Science: 12.27 Water Pollution
Understand water as a limited resource, and how it becomes polluted.
CK-12 Foundation
Ck 12: Life Science: 12.26 Health Hazards of Air Pollution
See how air pollution affects human health.