2.灵活:学习者可以按照自己的节奏和计划学习和测试,没有时间和地点的限制。3.实用:该课程的内容重点涵盖了高中生物学的主要内容,对于初学者和高中生来说非常实用。总之,KhanAcademy生物学课程是一门免费的生物学教育课程,为初学者和高中生提供了学习生物学基础知识和技能的良好资源。网址:/science/biology...
Build a deep, solid understanding in math, science, and more. Learners, start here “I come from a poor family. At home it’s one room, just a room we live in. When I was a child, I used to fear mathematics. But now, I am in love with mathematics because of Khan Academy.” ...
课程名称: 课程名称:Biology--DNA as the genetic material 课程链接: https://www.khanacademy.org/science/biology/dna-as-the-genetic-material 课程名称:Health and medicine--Current events in health and medicine 课程链接: https://...
In 2004, Sal put videos on Youtube.com to help tutor his cousin. From here he added math and science classes until 2008 when he started his own non-profit company. In 2009, he quit his job as a hedge fund manager to focus all of his energy on Khan Academy. In 2010, Khan Academy ...
Learn using expert-created videos, interactive exercises, and in-depth articles in math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, differential equations, linear algebra), science (biology, chemistry, physics), economics (microeconomics, macroeconomics, finance and ca...
Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide ...
Learn using videos, interactive exercises, and in-depth articles in math (arithmetic, pre-algebra, algebra, geometry, trigonometry, statistics, calculus, linear algebra), science (biology, chemistry, physics), economics (microeconomics, macroeconomics), humanities (art history, civics, finance, US his...
Khan Academy App review the app provides access to over 4,300 videos currently available on the Khan Academy website. On choosing one of the above categories you will open a more detailed menu that includes, for example under Science & Economics, biology, chemistry, computer science and more ...
Khan Academy allows you to learn almost anything for free. It covers subjects such as math, physics, biology, and even computer science. The real magic of this app is that you can learn at your own pace. You can review subjects that you are not good at, or start learning a subject yo...
(CBS News) Sal Khan is a math, science, and history teacher to millions of students, yet none have ever seen his face. Khan is the voice and brains behindKhan Academy, a free online tutoring site that may have gotten your kid out of an algebra bind with its educational how-to videos...