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Open Educational Resources (OER) are teaching and learning materials that you may freely use and reuse at no cost and without needing to ask permission. Unlike copyrighted resources, OER have been authored or created by an individual or organization that chooses to retain few, if any, ownership rights.
In some cases, that means you can download a resource and share it with colleagues and students. In other cases, you may be able to download a resource, edit it in some way, and then re-post it as a remixed work. How do you know your options? OER often have a Creative Commons license or other permission to let you know how the material may be used, reused, adapted, and shared.
Introduction to Chemistry
This textbook is designed for a 10-week, introduction to general chemistry. The text focuses mainly on chemical structure, though chemical reactivity and quantitation are also covered.
The Boundless Microbiology textbook is a college-level, introductory textbook that covers the subject of Microbiology, one of the building blocks of the life sciences
An Introduction to Organic Chemistry
Introduction to Organic Chemistry, 6th Edition provides an introduction to organic chemistry for students who require the fundamentals of organic chemistry as a requirement for their major. It is most suited for a one semester organic chemistry course.
Physical Chemistry is the application of physical principles and measurements to understand the properties of matter, as well as for the development of new technologies for the environment, energy and medicine.
Calculus Volume 1
Calculus is designed for the typical two- or three-semester general calculus course, incorporating innovative features to enhance student learning. The book guides students through the core concepts of calculus and helps them understand how those concepts apply to their lives and the world around them.
College Physics meets standard scope and sequence requirements for a two-semester introductory algebra-based physics course. The text is grounded in real-world examples to help students grasp fundamental physics concepts. It requires knowledge of algebra and some trigonometry, but not calculus.
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Hundreds of titles of free open source textbooks. The majority are peer