18 Questions
What is the process of transferring charge from a charged body to a good conductor called?
Discharging
What is the term for the device used to protect buildings from the effect of lightning?
Lightning rod
Which phenomenon results from rubbing or accumulation of opposite charges?
Lightning
What device is used to detect the presence of charge on an object?
Electroscope
What occurs when lightning strikes high rise buildings or trees?
Shattering and fire setting
What is the type of charge acquired by a glass rod when rubbed by a silk cloth?
Positive charge
What are the two types of charges?
Positive charge and negative charge
What happens when polythene and wool are rubbed?
Their electrons get accumulated at the surface
What is the method of charging when a charged body touches an uncharged body?
Conduction
Which type of objects acquire charge?
Charged objects
What happens to an electrically neutral body when it is charged by induction?
Opposite charge is developed over the body
What do substances like polythene and wool become when rubbed?
Charged objects
What is the role of a lightning conductor in a building?
Provides easy route for electric charge to the ground
What is the point deep underground from where an earthquake originates called?
Seismic focus
How is the intensity of an earthquake expressed?
In terms of magnitude on the Richter scale
Which statement about earthquake prediction is correct?
Earthquake prediction possibilities are still being researched
What instrument is used to record seismic waves produced by tremors?
Seismograph or Seismometer
What is the area more prone to earthquakes called?
Fault zone
Test your understanding of atoms, electric neutrality, and conductors of electricity with this review quiz for Chapter 15 - Some Natural Phenomena from Science Class VIII at BCM School, Chandigarh Road, Ludhiana.
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