MHSB - 8 - Science :: Electric Current

MSCERT-Science-Grade 8

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[Contributor - Anu Nived] Objective: To teach the students about electric circuit and various cells

Subtopics to be covered:

1. Types of cells
2. Electro magnetic induction
3. Electro magnet
4. Working of an electric door bell

Learning Outcome:

1. Students know about various cells
2. They know about the functioning of electric door bell
3. They know the difference between conductors and insulators

[Contributor - Kripa S]

http://cart.ebalbharati.in/BalBooks/pdfs/801010012.pdf#page=112 (Marathi Medium)

http://cart.ebalbharati.in/BalBooks/pdfs/803010012.pdf#page=112 (English Medium)

[Contributor - Kripa S]

https://www.youtube.com/watch?v=QZPURSF5iH4 (electric conductivity)

[Contributor - Kripa]

http://cdn4.explainthatstuff.com/howbatteryworks.gif (current flow with a dry cell)

https://www.wikipremed.com/image_science_archive_68/010402_68/139100_Galvanic_cell_68.jpg (electrochemical cell)

http://global.kyocera.com/fcworld/charact/elect/images/insulation.gif (conductor vs insulator of electric current)

[Contributor - Kripa S]

1. If there were no electric supply for a month, how would that affect your

day to day activities and others in your family? Present it in

the form of a story or a play.

2. https://www.youtube.com/watch?v=Zy_Jvmj6w2U (salt water battery)

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