NCERT Solutions for Class 8 Science Chapter 15 Some Natural Phenomena are provided in this article. It comprises all the important definitions, concepts, and methodologies that will be really beneficial for the students. The important topics that are included in this chapter are:
- Lighting
- Charging by rubbing
- Types of charges and their interaction
- Transfer of charge
- Lighting safety
- Earthquakes
Download PDF: NCERT Solutions for Class 8 Science Chapter 15 Some Natural Phenomena
NCERT Solutions for Class 8 Science Chapter 15
Class 8 Science Chapter 15 Some Natural Phenomena: Important Topics
Natural phenomena are occurrences that happen without any human intervention such as lighting, earthquakes etc.
Methods of Charging
- A body can be charged by rubbing as a result of friction or by induction.
- The electrical charges produced by rubbing are known as static charges.
Charging by Rubbing
- A plastic can be charged when objects like plastic get rubbed with hair. Similarly, a glass rod gets charged when rubbed with a silk cloth.
- These bodies get charged as they gain or lose electrons which is why they can attract or repel the small pieces of paper depending on the type of charge they carry.
Transfer of Charges
- Charges can be transferred through good conductors such as metals to another conducting material.
- The charge transfer is because of the movement of the electron from one atom to another.
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