Physics archive | Science | Khan Academy
The physics archive contains legacy physics content, and is not being updated with new content. For our most up-to-date, mastery-enabled courses, check out Middle School Physics, High …
Introduction to physics (video) | Khan Academy
Physics is built on a foundation of math and it seeks to explain all phenomena in the universe. It forms the basis for other sciences like chemistry and biology. Physics uses simple yet elegant …
Fresh Updates to Khan Academy’s Physics Courses Bring More …
Aug 18, 2025 · Explore Khan Academy’s updated AP Physics 1 and NGSS-aligned Middle School Physics courses, featuring new videos, interactive practice, and hands-on activities to support …
Forces and Newton's laws of motion | Physics archive | Khan …
Unit 1: Forces and Newton's laws of motion About this unit For our most up-to-date, mastery-enabled courses, check out High School Physics, AP Physics 1, and AP Physics 2!
物理 | 科学 | 可汗学院
物理学研究的是决定我们身处的物质世界的基本原理。我们将从运动自身开始。然后，我们将在许多不同的实际情况中了解力、动量、能量和其它概念。为了更好地理解物理学，你需要有牢固 …
SHS Physical Science - Khan Academy
Unit 2: 4th quarter: Physics Unit mastery: 0% Evolving models of the universe Universal Laws of Physics: From Aristotle to Newton's Laws Light as a wave and a particle Understanding the …
High school physics (DEPRECATED) - Science | Khan Academy
This course has been deprecated. We recommend exploring our improved High School Physics, AP Physics 1, and AP Physics 2 courses instead.
Science | Khan Academy
Learn physics using videos, articles, and NGSS-aligned practice exercises. Explore the fundamentals of motion and forces, non-contact interactions, energy, and waves.
Electric potential, voltage (article) | Khan Academy
In the physics sense, you are doing no work on the book. However, even if you don't have a book in your hand, if you twist side to side, your muscles get warm and you release energy.
What is physics? (article) | Khan Academy
Let's think about what physics is and what topics are covered in an introductory physics course.