译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 2:半导体基础知识 第2节课:本征激发和复合 https://www.khanacademy.org/science 本征半导体中有多少自由电子和空穴? 在本视频中,让我们了解如何计算任何给定温度下本征半导体中的电子和空穴的数量。 由 Mahesh Shenoy 制作。 你在模拟电路中遇到的所有问...
译自可汗学院Class 12 Physics (India) 的半导体课程 Lesson 1:固体能带理论第4节课:导体、绝缘体和半导体 https://www.khanacademy.org/science 为什么某些物体表现得像导体,而另一些则不然?这似乎是一个非常简单的问题,但事实并非如此。要真正回答这个问题,我们需要更深入地研究固体的电子能级。在本视频中,我们...
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.” ...
and students-You can learn anything.Build a deep, strong understanding in math, science and more."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 math. But now, I am in love with math because of Khan Academy."Anjal...
1.At Caltech, we investigate some of the most challenging, fundamental problems in science, technology, engineering, and mathematics. Identify and describe two STEM-related experiences from your high school years, either in or out of the classroom, and tell us how and why they activated your ...
课程名称:Health and medicine--Current events in health and medicine 课程链接: https://www.khanacademy.org/science/health-and-medicine/current-issues-in-health-and-medicine#antibiotics-and-antibiotic-resistance 更多精彩课程还请点击...
In this paper we explore how Khan Academy has incorporated gaming elements into its CS learning platform. By mapping the literature on motivational processes to popular games we critically analyze how successful Khan Academy is at gamifying their site.关键词:...
Khan Academy Adds Computer Science CoursesMelissa Wiley
Research indicatesthat every minute spent on Khan Academy can lead to learning gains. Created by educational experts, Khan Academy’s trusted library of content covers math PreK-12 through early college, grammar, science, history, AP, SAT prep, and more. Copilot already includes Khan Academy ref...
They violate even the most basis ways that people learn science—experience first, name afterward. They are expository, not Socratic, and they simply are worse than traditional teaching because of the hype and reputations of ...