1. Which is the surest test of charge on a body?

2. Which of the following can be charged with static electricity ?

3. Which of the following occurs during lightning?

4. Which of the following can be charged by rubbing?

5. When two bodies are rubbed against each other, they acquire

6. It is a convention to call the charge acquired by a glass rod when it is rubbed with silk as __________

7. A device used to test whether an object is carrying charge or not is called ______.

8. During lightning actually _____________ takes place

9. During a thunderstorm which action may be done?

10. To protect tall buildings from the damage of lightning, what can be done?