CBSE Class 8 Science Natural Phenomena: Lightning and Earthquakes
- In what ways is lightning useful?in brifly
- What is the main cause of earthquake?
- What is an earthquake
- what is the electric discharge
- By which device the power of an earthquake is expressed?
- Draw an internal structure of earth.
- What are seismic waves? Name the instrument which records these waves.
- List two places in India which are most threatened by an earthquake.
- What is the function of a lightning conductor running through a tall building? What would happen if it is not installed in the building?
- Suppose you are outside your home and an earthquake strikes. What precautions would you take to protect yourself?
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