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Sl ide No-01: T eachers manual. Slide No-02 : I ntroduction Class, Subject and Chapter.

Sl ide No-01: T eachers manual. Slide No-02 : I ntroduction Class, Subject and Chapter. Slide No-03 : P resented by Biplob Kumar Das Slide No-04 : L earning result. Slide No-05 : P icture display. Slide No-06 : D eclaration title of the lesson. Slide No-07 : T eachers discussion.

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Sl ide No-01: T eachers manual. Slide No-02 : I ntroduction Class, Subject and Chapter.

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  1. Slide No-01: Teachers manual. • Slide No-02 : Introduction Class, Subject and Chapter. • Slide No-03 : Presented by Biplob Kumar Das • Slide No-04 : Learning result. • Slide No-05 : Picture display. • Slide No-06 : Declaration title of the lesson. • Slide No-07 : Teachers discussion. • Slide No-08 : Introducing parts of electric bell. • Slide No-09 : Teacher explanation mechanism of electric bell. • Slide No-10 : Video display elaborated and with sound. • Slide No-11 : Individual work. • Slide No-12 : Group work. • Slide No-13 : Feed back. • Slide No-14 : Home work. • Slide No-15 : End the class and Thank you all. • Teachers manual

  2. Class: NineGeneral scienceChapter: 14 • Class time : 45 minuets Electric Bell

  3. Presented By • Biplob Kumar Das • M.Sc, M.Ed • University of Dhaka • Assistant teacher (science) • Sammilani Institution, Jessore

  4. Learning Results • 1.Students will be able to define the • Electric bell. • 2.Students will be able to explain the • functions of the parts those take part in the • Electric bell. • 3. Students will be able to tell the use of • Electric bell.

  5. What have we seen • in this pictures ?

  6. Title of the lesson • Electric bell.

  7. Define electric bell and its mechanism. Explain the parts which take part in the electric bell. Etc. • E ( Teachers discussion )

  8. Electric bell consists of the following parts. Gong Horseshoe type iron Copper coil Spring Screw Iron hammer

  9. Mechanism of Electric Bell - +

  10. Individual work 1. What type of magnate use in electric bell? 2. What is relation between spring and magnate.

  11. Group work You are five groups and discuss the matter Write down the name of the parts that take part in the electric bell .

  12. Feed back Tell the name of following parts? 2 3 4 1

  13. Home work • Explain functions of electric bell.

  14. Thank you all

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