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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 organisms and …

  2. PhET: Free online physics, chemistry, biology, earth science ...

    Free science and math simulations for teaching STEM topics, including physics, chemistry, biology, and math, from University of Colorado Boulder

  3. 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.

  4. Resources For Lesson Plan For Science - PBS LearningMedia

    Discover free resources designed for your lesson plan for science. Explore natural phenomena and scientific practices with videos, games, and activities for all grades.

  5. Best Science Courses & Certificates [2026] | Coursera

    Science courses can help you learn fundamental concepts in biology, chemistry, physics, and environmental science, as well as applied areas like genetics, chemical reactions, and renewable …

  6. 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 science, edX …

  7. Digital Learning - NASA Science

    Feb 25, 2025 · Launch these activities and projects for learners ages 8 and up to activate science learning, even on the go!