Very short answer type questions
Short answer type questions:
(i)What is seismograph?
(ii)What is thunder?
(iii)What is conduction?
(iv)What is friction in terms of transferring the charges?
(v)What is an electric discharge?
Short answer type questions/ HOTS:
Ramesh wants to detect the charge in an unknown body. How does he detect the charge? What principle does the device work?
How does the lightning occur?
What are tectonic plates? How do they cause earthquake?
Write any three precautions against the earthquake.
What are seismic waves?
Explain the regions of the earthquake.
Briefly describe the layers of the earth.
Which fish produces the electric charge and how does it save itself from the predators?
Long answer type questions:
Explain the working model of an electroscope in details.
Explain the lightning conductor. What are the precautions we take during thunder and lightning?
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- NCERT Solutions
Class 8 Maths
Class 8 Science