Summary of plum pudding ➢ Summarizing the plum  model of Atom pudding model of atom 4 ➢ Rutherford Model of an atom : ➢ Showing alpha – particle PPT / Video Observation Checklist Discovery of new of an scattering experiment of  Rutherford and explaining atom model of atom Gold foil experiment board Discussion Checklist ➢ summarizing the postulates of Conclusions chalk Rutherford and drawbacks of Drawbacks Rutherford atomic model Comparison of Atomic model ➢ Asking students to compare of Thomson and Rutherford Classwork book the atomic of Thomson pen and Rutherford 5 ➢ Discovery of Proton by Eugene ➢ Explaining the discovery of Classwork book Discussion Checklist pen Goldstein proton and neutron ➢ Discovery of Neutron by ➢ Discussing and listing the Chadwick properties of proton and neutron 6 ➢ Neil Bohr Atomic model ➢ Explaining Neil Bohr Computer Activity Worksheets PhET simulations postulate of atom and listing postulates ➢ Asking students to write Electronic configuration Electronic configuration of 20 elements
Summary of plum pudding model of Atom ➢ Summarizing the plum pudding model of atom 4 ➢ Rutherford Model of an atom : Discovery of new of an atom Gold foil experiment Conclusions Drawbacks Comparison of Atomic model of Thomson and Rutherford ➢ Showing alpha – particle scattering experiment of Rutherford and explaining model of atom ➢ summarizing the postulates of Rutherford and drawbacks of Rutherford atomic model ➢ Asking students to compare the atomic of Thomson and Rutherford PPT / Video board chalk Classwork book pen Observation Discussion Checklist Checklist 5 ➢ Discovery of Proton by Eugene Goldstein ➢ Discovery of Neutron by Chadwick ➢ Explaining the discovery of proton and neutron ➢ Discussing and listing the properties of proton and neutron Classwork book pen Discussion Checklist 6 ➢ Neil Bohr Atomic model postulate Electronic configuration ➢ Explaining Neil Bohr of atom and listing postulates ➢ Asking students to write Electronic configuration of 20 elements Computer PhET simulations Activity Worksheets  
em_9-th_science_lesson-plan1-8-chapters-2017-18.docx