Khan Academy 是美国学生全科在线学习平台 不是专门学英语的 但有Reading & Language Arts英语课 创始人:孟加拉裔美国人 Sal Khan 再次介绍一下这个学习平台叫Khan Academy中文名可汗学院,包括Khan Academy和Khan Academy Kids两大板块。这是我用过最强大最全面的全科学习网站,不愧是受过伊隆·马斯克的大手笔捐款的网站!
Learn for free about math, art, computer programming, economics, physics, chemistry, biology, medicine, finance, history, and more. Khan Academy is a nonprofit with the mission of providing a free, world-class education for anyone, anywhere.
The Khan Academy has over 2,400 videos covering science, math, and more. These are my notes from Salman Khan's Chemistry videos. For the full videos, see http://www.khanacademy.org.Introduction to the AtomAtom is the Greek word for uncuttable. It's actually made up of neutrons, proton...
Discover Khan Academy, a non-profit platform offering free, world-class education through engaging courses, empowering learners to achieve their academic goals anywhere, anytime.
Shorthand notation for galvanic_voltaic cells _ Chemistry _ Khan Academy 10 -- 6:01 App Introduction to galvanic_voltaic cells _ Chemistry _ Khan Academy 1 -- 5:35 App Signal characteristics - intensity _ Spectroscopy _ Organic chemistry _ Khan Aca 6 -- 11:02 App Symmetric and asymmetric ...
阅读理解。KHAN ACADEMY Join Khan Academy now!Learn for free about math, art, computer programming, physics, chemistry, medicine, history and more.Why Khan Academy works Personalized learning Trusted content(内容)Tools to empower teachers Students practice at their own Created by experts, Khan With ...
本课程是先讲机理,再运用机理理解有机物的反应,而不是将化合物分类中间掺插机理,笔者认为本课程的讲法更有利理解记忆。 视频由可汗学院免费提供,详见:https://www.khanacademy.org (All Khan Academy materials are available for free at https://www.khanacademy.org) 共73集688.1万人观看...
Khan Academyis a free-to-downloadeducation and referenceapp for students, teachers, and adult learners. Whether it’s organic chemistry orcollege-level macroeconomics, it offers aplethora of topicsthat pique your interest or meet your current learning needs. As it leans onself-paced learning, you...
khanacademy.org.The classes cover fields like history,chemistry and art.They usually last for 15minutes or less.Unlike traditional classes,Khan mainly offers courses for students below college level.The classes can also help those who are planning to take the SAT,an exam often required for ...
Hear more:Khan Academy Founder Sal Khan on the Future of Learning (WorkLab podcast) Top image:Melissa Higgason, who teaches chemistry at Hobart High School in Hobart, Indiana, instructs her students on how to use marshmallows and water bottles to understand an abstract chemistry concept, an id...