NCERT - 8 - Science :: Some Natural Phenomena

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[Contributor - Anu Nived]

Objective: To teach the students about natural phenomenas like lightning and earthquakes

Subtopics to be covered:

1. Charges, types of charges and transfer of charges
2. How lightning occurs and safety measures
3. Earthquakes - Causes and Protection

Learning Outcome:

1. Students know about how various natural phenomenas like lightning and earthquake occurs
2. They also know about the preventive measures against lightning and earthquake
3. They know the use of various devices like electroscope and seismograph

[Contributor - Kripa S]

http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0855-Vigyan/Chapter-15/index.html (NCERT Hindi Medium)

http://epathshala.nic.in/wp-content/doc/book/flipbook/ClassVIIIFlipbook/0854-Science/Chapter-15/index.html (NCERT English Medium)

https://drive.google.com/open?id=0BzNF2YyqQxJ-LXlvdFlVVG44NkU (JEPC Board) (Hindi Medium)

[Contributor - Kripa S]

(Source - New Idea)

https://www.youtube.com/watch?v=Z0oaJcAzu2w (Hindi - Lightening)

[Contributor - Anu Nived]

https://skymetweather.com/content/wp-content/uploads/2016/05/Cyclone.jpg (cyclones)

https://i.ytimg.com/vi/Gfr8MExtDYI/maxresdefault.jpg (tornado)

https://i.ytimg.com/vi/m89qAa9HNno/maxresdefault.jpg (thunderstorms)

[Contributor - Arshea Bimal]

1. https://www.youtube.com/watch?v=g-yqS22wECQ (ecstatic static)

[Contributor - Shachi Patel]

https://drive.google.com/open?id=0BzNF2YyqQxJ-bW1rTzhsTHE5TWc

[Contributor - Fathima Nazar]

Term	Transliterated Term	Translated Term
CRUST	क्रस्ट	भूपर्पटी
DISCHARGE	डिस्चार्ज	विसर्जन
EARTH’S PLATES	एर्थस प्लेट्स	पृथ्वी के प्लेट्स
EARTHQUAKE	एर्थ क़्वेक	भूकंप
ELECTROSCOPE	एलेक्ट्रोस्कोप	विद्युतदर्शी
LIGHTNING	लइटेनिंग	तड़ित
LIGHTNING CONDUCTOR	लइटेनिंग कंडक्टर	तड़ित चालकज़
NEGATIVE CHARGE	नेगेटिव चार्ज	ऋणावेश
POSITIVE CHARGE	पोसिटिव चार्ज	धनावेश
RICHTER SCALE	रिचेर स्केल	रिक्टर पैमाने
SEISMOGRAPH	सीस्मोग्राफ	भूकंपलेखी
THUNDER	थंडर	गरजन
THUNDERSTORM	थंडरस्टॉर्म	तड़ित झंझा
TRANSFER OF CHARGE	ट्रांसफर ऑफ़ चार्ज	आवेश	स्थानांतरण
TSUNAMI	सुनामी	सुनामी
TREMOR	ट्रेमोर	भुस्पन्दन

[Contributor - Shachi Patel]

https://drive.google.com/open?id=0BzNF2YyqQxJ-dXhUVEU5ZFctUjQ

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