NCERT - 8 - Science :: Some Natural Phenomena

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Go To: NCERT-Science-Grade 8

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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]

(Source - New Idea)

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

[Contributor - Arshea Bimal]


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


[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
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