Answer:
I am an instrument capable of making numerous sounds but cannot be touched or seen. What am I?
I can be heard in a court or carried with you.
Sometimes I fly as fast as the speed of light. Sometime I crawl as slow as a snail. Unknown until I am measured but you will certainly miss me when Iām gone.
I have numbers on my face but can't find 13 any place. What am I?
Physicists have built devices to move me very fast. My last seven letters can be commonly found in newspapers magazines and journals.
Why did the teacher have to wear sunglasses?