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  1. Science | Khan Academy

    Learn science using videos, articles, and TEKS-aligned practice exercises. Review the fundamentals of matter and energy, forces and motion, Earth's systems and processes, living …

  2. Best Science Courses & Certificates [2025] | Coursera Learn Online

    Science courses on Coursera cover a broad range of disciplines, offering insights and practical skills across various fields: Fundamental concepts and advanced topics in physical sciences, …

  3. Seminole Science

    Science Olympiad is an international, organization devoted to improving the quality of science education, increasing student interest in science, and providing recognition for outstanding …

  4. The High School Science Classes You Should Take - PrepScholar

    What are all the high school science courses to take, including biology, chemistry, and physics? Find the complete list here, including AP/IB classes.

  5. Science Courses - Online Classes with Videos | Study.com

    Study.com has engaging online science courses in biology, chemistry, physics, environmental science, and more!

  6. IXL Science | Learn science online

    Discover the world of science with hundreds of skills covering K to Physics grade and unlimited questions that adapt to each student's level.

  7. 33300+ Science Online Courses for 2025 - Class Central

    Learn from top universities on edX and Coursera, covering everything from nuclear energy and complexity theory to science communication and open research practices.

  8. Free Online Science Courses | Alison

    Switch on your talent for science with Alison’s free online science courses, topics include environment, life sciences, chemistry and physics.

  9. Affordable Online Science Courses - Astronomy, Biology, Physics, …

    Discover the wonders of the universe with courses that provide in-depth understanding and prepare you to innovate in the field of science and beyond.

  10. Best Online Science Courses and Programs | edX

    Science is the foundation for understanding nearly everything we know about how and why humans exist. Whether you’re pursuing a new career or are curious about a specific branch of …