1. Sometimes I wave, sometimes I itch. I can grow very tall. I can be crossed with gold. What am I?
2. I am nothing, yet I have value. What am I?
3. You can play with me but... I can suck your blood!
4. Who has a hat but no head, a foot but no shoe?
5. Which fruit has seeds outside the flesh?
6. What do a trumpet and a car engine have in common?
7. I have many keys but usually only two or three locks. What am I?
8. I have legs but can't walk, and a top but no bottom. What am I?
9. A human and a cave have me in common.
10. What is usually placed on a wall, but also is found in one's mouth?
11. What do humans and gears have in common?
12. No matter where I go, I'm always close to home. Wherever I go, I always leave a silver trail behind me
13. An untiring servant it is, carrying loads across the muddy earth. But one thing that cannot be forced is a return to the place of its birth.
14. This engulfing thing is strange indeed. The greater it grows, the less you see.
15. I can be clean which isn't seen' I can be dirty and make you scurry. I can make you dead or alive!
16. Who (or what) knows all languages?
17. I look down on you, but I do not notice if you look back. Though no embarrassment or shame befalls ones I gaze upon, still all become flushed eventually when I do so.
18. What got four wings, but cannot fly?
19. I am used to "work" a circle, though some like to eat me. What am I?
20. I go round and round to eat my tail. I go real well with a wedding veil. What am I?