Introduction to physics
9:30
Khan Academy
Introduction to physics
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 math to describe complex phenomena, from galaxies to biological systems. It's about understanding and predicting the universe's complexity based on ...
7 个月之前
Khan Academy Math
Basic multiplication | Multiplication and division | Arithmetic | Khan Academy
13:20
Basic multiplication | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
已浏览 230.1万 次2009年7月28日
Division 1 | Multiplication and division | Arithmetic | Khan Academy
17:02
Division 1 | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
已浏览 129.9万 次2010年1月20日
Introduction to long division | Multiplication and division | Arithmetic | Khan Academy
11:39
Introduction to long division | Multiplication and division | Arithmetic | Khan Academy
YouTubeKhan Academy
已浏览 209.5万 次2010年1月20日
热门视频
Khan Academy
Khan Academy
khanacademy.org
2020年7月30日
We’re excited to announce that studying for the SAT for 20 hours on Khan Academy’s free Official SAT Practice is associated with an average score gain of 115 points. That’s nearly double the average score gain compared to students who don’t use our free test prep. Start studying today! http://khan.co/SATStudyonKA | Khan Academy
1:39
We’re excited to announce that studying for the SAT for 20 hours on Khan Academy’s free Official SAT Practice is associated with an average score gain of 115 points. That’s nearly double the average score gain compared to students who don’t use our free test prep. Start studying today! http://khan.co/SATStudyonKA | Khan Academy
FacebookKhan Academy
已浏览 8.6万 次2017年5月8日
Calling all teachers! 🧒📣Khan Academy offers K-14 standards-aligned content in math, science, history, art and more. We have 50,000 practice problems for remediation and enrichment. Free for teachers and students!📣 | Khan Academy
0:28
Calling all teachers! 🧒📣Khan Academy offers K-14 standards-aligned content in math, science, history, art and more. We have 50,000 practice problems for remediation and enrichment. Free for teachers and students!📣 | Khan Academy
FacebookKhan Academy
已浏览 6.6万 次2019年4月16日
Khan Academy Science
The scientific method
11:48
The scientific method
YouTubeKhan Academy
已浏览 139.8万 次2016年3月15日
An Introduction to Learning Science at Khan Academy
An Introduction to Learning Science at Khan Academy
Khan AcademyKhan Academy
2020年11月19日
Introduction to Atoms and Molecules | Middle School Science | Khan Academy
5:53
Introduction to Atoms and Molecules | Middle School Science | Khan Academy
YouTubeKhan Academy India - Englis
已浏览 4071 次2024年11月29日
Khan Academy
Khan Academy
2020年7月30日
khanacademy.org
We’re excited to announce that studying for the SAT for 20 hours on Khan Academy’s free Official SAT Practice is associated with an average score gain of 115 points. That’s nearly double the average score gain compared to students who don’t use our free test prep. Start studying today! http://khan.co/SATStudyonKA | Khan Academy
1:39
We’re excited to announce that studying for the SAT for 20 hours on Khan Academy’s free Official SAT Practice is associated with an average score gain of 115 points. That’s nearly double the average score gain compared to students who don’t use our free test prep. Start studying today! http://khan.co/SATStudyonKA | Khan Academy
已浏览 8.6万 次2017年5月8日
FacebookKhan Academy
Calling all teachers! 🧒📣Khan Academy offers K-14 standards-aligned content in math, science, history, art and more. We have 50,000 practice problems for remediation and enrichment. Free for teachers and students!📣 | Khan Academy
0:28
Calling all teachers! 🧒📣Khan Academy offers K-14 standards-aligned content in math, science, history, art and more. We have 50,000 practice problems for remediation and enrichment. Free for teachers and students!📣 | Khan Academy
已浏览 6.6万 次2019年4月16日
FacebookKhan Academy
Khan Academy Goes Way Beyond Math: New Courses Launch for 2024 School Year in STEM, Humanities, Computer Science, and More
2:24
Khan Academy Goes Way Beyond Math: New Courses Launch for 2024 School Year in STEM, Humanities, Computer Science, and More
2024年8月6日
Khan AcademyKhan Academy
Download and run Khan Academy on PC & Mac (Emulator)
Download and run Khan Academy on PC & Mac (Emulator)
2021年10月4日
bluestacks.com
Free Constitution 101 course | Khan Academy
0:45
Free Constitution 101 course | Khan Academy
已浏览 14.7万 次7 个月之前
FacebookKhan Academy
Download & Play Khan Academy Kids: Learning! on PC & Mac (Emulator)
Download & Play Khan Academy Kids: Learning! on PC & Mac (Emulator)
2021年10月4日
bluestacks.com
Become a Java Programmer | Learn Java Programming Online | Udacity
已浏览 98 次2024年12月17日
udacity.com
51:15
Khan Academy Live: SAT Writing
已浏览 7.5万 次2017年5月30日
YouTubeKhan Academy
9:49
Introduction to Logarithms
已浏览 232万 次2007年5月17日
YouTubeKhan Academy
1:45
Introducing Khan Academy Kids
已浏览 13.8万 次2018年7月12日
YouTubeKhan Academy
17:26
Lecture 1 | Programming Paradigms (Stanford)
已浏览 116.9万 次2008年7月19日
YouTubeStanford
7:44:20
JavaScript Programming - Full Course
已浏览 395.7万 次2021年6月21日
YouTubefreeCodeCamp.org
49:47
Lecture 1 | Programming Methodology (Stanford)
已浏览 256.4万 次2008年7月3日
YouTubeStanford
0:29
Introduction to Khan Academy Kids
已浏览 131.8万 次2020年3月2日
YouTubeKhan Academy
11:29
Introduction to Programs Data Types and Variables
已浏览 105.6万 次2011年6月30日
YouTubeKhan Academy
3:52
Intro to Variables | Computer Programming | Khan Academy
已浏览 13.6万 次2014年5月13日
YouTubeKhan Academy Computing
4:40
Precision | Writing and Language | SAT | Khan Academy
已浏览 8741 次2021年3月9日
YouTubeKhan Academy SAT
3:50
Incrementing shortcuts | Computer Programming | Khan Academy
已浏览 9.3万 次2015年10月30日
YouTubeKhan Academy Computing
13:07
Phloem & translocation | Life processes | Class 10 | Science | Khan Academy
已浏览 62.3万 次2019年7月18日
YouTubeKhan Academy India - English
6:03
Making animations | Computer Programming | Khan Academy
已浏览 20.2万 次2015年10月30日
YouTubeKhan Academy Computing
6:39
Representing points in 3d | Multivariable calculus | Khan Academy
已浏览 38.7万 次2016年5月5日
YouTubeKhan Academy
7:28
Algebra: Linear equations 1 | Linear equations | Algebra I | Khan Academy
已浏览 288.2万 次2006年11月19日
YouTubeKhan Academy
5:19
Coloring with code | Computer Programming | Khan Academy
已浏览 18.4万 次2015年11月13日
YouTubeKhan Academy Computing
9:18
Current | Introduction to electrical engineering | Electrical engineering | Khan Academy
已浏览 93.5万 次2016年5月12日
YouTubeKhan Academy
6:33
Divisibility tests for 2, 3, 4, 5, 6, 9, 10 | Factors and multiples | Pre-Algebra | Khan Academy
已浏览 133.8万 次2012年7月3日
YouTubeKhan Academy
10:27
Introduction to experiment design | Study design | AP Statistics | Khan Academy
已浏览 39.6万 次2016年11月11日
YouTubeKhan Academy
6:09
Making drawings with code | Computer Programming | Khan Academy
已浏览 52.7万 次2015年11月13日
YouTubeKhan Academy Computing
8:40
Application of the fundamental laws (solve) | Electrical engineering | Khan Academy
已浏览 7.2万 次2016年6月5日
YouTubeKhan Academy
展开