Grade 9 Chemistry Unit 3: 3.4.2 Discovery of the Electron (Part 1) | Saquama | ሳቋማ

This video is based on the Ethiopian new curriculum Grade 9 Chemistry Unit 3: Structure of the Atom. In this video, we discuss 3.4.2 Discovery of the Electron (part 1), which is a part of 3.4 Discoveries of the Fundamental Subatomic Particles and the Atomic Nucleus. Grade 9 Chemistry Unit 3 full playlist:    • Grade 9 Chemistry Unit 3: Structure of the...   Chapters: 00:00 Intro 01:41 Activity 3.8 04:59 The Crooke's Discharge Tube or Cathode Ray Tube 14:38 Thomson's Experiment on the Path of Cathode Rays 17:36 Thomson's Experiment on the Particle Nature of the Cathode Rays 21:46 Thomson's Experiment on the Charge of the Cathode Ray 34:44 Summary of the Properties of Cathode Rays This video is prepared by Education for Ethiopia, which is a non-profit, non-governmental organization that aims to improve the academic performance of Ethiopian students by providing them with supplementary digital educational resources. These resources are made available through the Saquama ሳቋማ (ሳይንስ፥ ቋንቋ፥ ማትስ) digital platform, (that comprises of a YouTube channel, an application, and a website). ይህ ቪዲዮ የተዘጋጀው ኤጁኬሽን ፎር ኢትዮጵያ በተባለ ለትርፍ ያልተቋቋመ መንግስታዊ ያልሆነ ድርጅት ሲሆን ድርጅቱ ለኢትዮጵያ ተማሪዎች አጋዥ የዲጂታል ትምህርታዊ ግብዓቶችን በማሟላት የትምህርት አፈጻጸምን ለማሻሻል ያለመ ነው። እነዚህ ግብዓቶች የድርጅቱን የዩቲዩብ ቻናል፣ አፕሊኬሽን እና ዌብሳይትን በ ሚያካትተው ሳቋማ (ሳይንስ፣ ቋንቋ፣ ማትስ) በተባለው መድረክ በኩል ይገኛሉ። Developed by: Tewodros Tessema www.saquama.com www.educationforethiopia.org Telegram: https://t.me/Saquama #Saquama #EducationforEthiopia #ሳቋማ #Ethiopian #grade9 #physics #unit1 #PhysicsInAmharic #textbook #newcurriculum #Seifu #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቃማ #ሳቅማ #saquama #EducationforEthiopia #ሳቋማ #Ethiopian #grade10 #Grade9chemistry #textbook #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቃማ #ሳቅማ #chemistry #grade9chemistry #grade9chemistry #grade9chemistryunit2 #unit2 #saquama #AddisAbaba #Stemeducation #FreeEducation #grade7generalscience #saquama #educationforethiopia #ሳቋማ #Ethiopian#EthiopianCurriculum #newcurriculum #Seifu #saquma #sakuama #saqama #sakuma #sakma #sakama #ሳቁማ #unit3