we will go through activity 15.1 class 8 science chapter 15 Some Natural phenomena. You should also go through activity 15.2 of chapter 15. In this activity 15.1, we will learn about the nature of the electric charge and charged bodies.
Activity
· Take
a used ballpen refill and rub it vigorously with a piece of polythene.
· Bring
it close to small pieces of paper.
· Take
care not to touch the rubbed end of the refill with your hand or with a
metallic object.
· Repeat
the activity with small pieces of the dry leaf, husk, and mustard seeds.
· Record
your observations.
·
 |
| Activity 15.1 Class 8 Science Chapter 15 Solution |
Observation and explanation
When we rub a ball pen refill with a piece of polythene,
it gets charged, and it attracts pieces of paper.
It happens because some friction force is generated during
the rubbing process which produces an electrostatic charge to the ballpen
refill.
You can also read activity 11.7 of class 9
to understand electrostatic force.
The above activity is repeated with dry leaf, husk, etc and we get the same result.
Conclusion
This activity explains the electrostatic force.
Related Topics
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