Chemical Effects of Electric Current

Some Natural Phenomena

TOPIC 1: Charging by rubbing
TOPIC 2: Electroscope
TOPIC 3: The story of lightning
Topic 4: Lightning conductor
TOPIC 5: Earth quake
TOPIC 6: Seismic waves  (View Demo)
Topic 7: Seismograph
TOPIC 8: Structure of earth
TOPIC 9: Earth plates
TOPIC 10:Tsunami
Multiple choice questions
Question and answers
Note book

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