CBSE Class 8 - Natural Phenomena: Lightning and Earthquakes Videos
- tectonic plates
- What is an earthquake ? How is the magnitude of an earthquake expressed ?
- 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.
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