Credits required
N/A Oregon State University is on a quarter-term system. There are four quarters each year and classes are 11 weeks long. *
Cost per credit
Varies Cost per credit is calculated using tuition per credit for the current academic year. It does not include associated fees, course materials, textbook expenses, and other expenses related to courses.
Online Course sequences can include classes that are delivered online, as well as a blend of online coursework with one or a few required site-based classes. View the curriculum.
Start terms
4 per year

Science Courses and Sequences – Online


If you want to pursue scientific knowledge, discovery and acquire the professional skills to have an impactful career, then Oregon State University’s College of Science offers precisely what you’re looking for in the form of expertly designed courses online.

Oregon State Ecampus delivers more than 100 science and mathematics-based courses and labs at a distance in a wide variety of disciplines. Each class is developed and taught by faculty from seven departments in the College of Science.

By studying online with Oregon State, you’ll receive a comprehensive education that combines scientific knowledge with skills-based learning in the sciences and mathematics. You can also fulfill degree program or certification requirements in the process. 

View online classes by subject

Biochemistry and biophysics

Biochemistry and biophysics lie at the heart of all life sciences. Reveal how life works by studying the chemistry of living systems in all its forms, and by using math and physics to solve biological problems. Learn more »


Explore the science of life from basic cellular levels to the broader context of entire ecosystems. These courses work well if you want to develop a life sciences background that can be used for a variety of career goals. Learn more »


Gain fundamental knowledge about chemical processes that affect the real world from energy to clean air, medicine and materials for technological devices. Learn more »


Learn to think about objects of complexity and beauty to solve the world’s most critical problems. Mathematics has applications in every facet of life from launching rockets to predicting effective cancer treatments. Learn more »

Microbiology and biohealth sciences

Oregon State’s microbiology courses deliver a foundational understanding of infectious and beneficial organisms that play a role in human and environmental health. The biohealth sciences classes cover topics related to local, regional and global health through the study of immunology, pathology and virology. Learn more »


Acquire a fundamental knowledge about the field of physics, and study other topics such as the solar system and the world’s energy resources. Physicists work in a broad range of careers from engineering jobs to finance. Learn more »


Expand your ability to make decisions using data and mathematical analysis through OSU’s statistics courses. These offerings will help you broaden your career opportunities in industry and research. Learn more »


Add the knowledge and scientific skills needed to conserve habitats, ecosystems and species by studying zoology. You’ll also learn to find solutions to challenges posed to wildlife by diseases, rapid environmental changes and human encroachment. Learn more »

Benefits of learning online with Oregon State

  • All classes are developed by Oregon State's renowned faculty, who are known worldwide for their research, expertise and innovation.
  • Oregon State is regionally accredited by the Northwest Commission on Colleges and Universities.
  • OSU students are well-regarded and prepared for the workforce with a 60% to 70% admission acceptance to medical schools nationwide.
  • Oregon State Ecampus is consistently ranked among the nation's 10 best providers of online education according to U.S. News & World Report.
  • OSU Ecampus students receive the same transcript as on-campus students.

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