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Science | Khan Academy

Learn about all the sciences, from physics, chemistry and biology, to cosmology and astronomy, across hundreds of videos, articles and practice questions.

概览

收录于

2026年3月17日

学科与领域

earth-environment · earth-systems-interactions

年级范围

九年级（高一）–十二年级（高四）

页面类型

Course

简介

Khan Academy Science Curriculum Overview

  • Core Science Subjects: The platform offers comprehensive courses in Biology, Chemistry, Physics, and Earth/Space Science, utilizing videos, articles, and practice exercises.
  • Curriculum Alignment: Content is mapped to NGSS (Next Generation Science Standards) and TEKS (Texas Essential Knowledge and Skills) standards.
  • Advanced Placement (AP) Offerings: Specialized courses available for AP Biology, AP Chemistry, and AP Environmental Science.
  • Specialized Topics:
    • Organic Chemistry: College-level course content.
    • Cosmology/Astronomy: Exploration of time, space, plate tectonics, and galaxies.
    • Electronics/Engineering: Circuit theory and hands-on projects (e.g., building robots).
    • Medicine: Informational resources for students and families (not a substitute for professional medical advice).
  • Teacher Resources: Provides unit guides for educators, including teaching strategies, common student misconceptions, and lesson planning support.
  • Platform Funding: Khan Academy is a non-profit organization; they are currently seeking to raise $145,000 by May 31 to support free, world-class education.
  • Technical Requirements: Users experiencing loading issues are advised to unblock *.kastatic.org and *.kasandbox.org.
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