Electrical engineering | Science | Khan Academy Learn about electricity, circuit theory, and introductory electronics We also have sections that let you get down and dirty with household items, from building your own robot to videos where we disassemble household items to see what's inside
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Khan Academy Aprenda sobre eletricidade, teoria dos circuitos e introdução à eletrônica Nós também temos seções que te levam a por a mão na massa com utensílios domésticos, desde construir seu próprio robô até vídeos onde desmontamos utensílios domésticos para ver o que há dentro
Trigonometry - Khan Academy Learn trigonometry—right triangles, the unit circle, graphs, identities, and more
Why Khan Academy will be using “skills to proficient” to measure . . . By Bogdan Yamkovenko, Efficacy Research Manager of Khan Academy Mastery learning The success of educational technology must be measured not only by time spent on a platform but also by learning But learning is not always straightforward to measure
Khan Academy Learn AP Chemistry using videos, articles, and AP-aligned practice Review the fundamentals of atomic structure, intermolecular forces and bonding, chemical reactions, kinetics, thermodynamics, and equilibrium
Beta decay - Khan Academy During beta minus decay, a neutron in an unstable nucleus transforms into a proton, releasing a high energy electron and antineutrino in the process During beta plus decay, a proton in an unstable nucleus transforms into a neutron, releasing a high energy positron and neutrino in the process Beta particles carry away energy lost by the nucleus and are ionizing radiation