Q. How fast does sound travel?
A. About 13 miles in a minute, or 1142 feet in a second of time.
Q. How fast does light travel?
A. Light would go 8 times round the whole earth, while sound is going its 13 miles.
Q. Why are some things sonorous, and others not?
A. The sonorous quality of any substance depends upon its hardness and elasticity.
Q. Why are copper and iron sonorous, and not lead?
A. Copper and iron are hard and elastic; but as lead is neither hard nor yet elastic, it is not sonorous.
Q. Of what is bell-metal made?