What is a charge? How objects can be charged?

Why are all bodies in nature electrically neutral?

Describe an activity to show that opposite charges attract.

What is earthing? Why is it needed?

Why is it necessary to take safety measures during lightning?

What is a lightning conductor?

Which natural phenomenon produces both light and sound? What is the possible cause of this phenomenon?

With the help of a diagram, explain the interaction between different types of charges.

What is an electroscope? Draw a diagram to describe its construction.