1. Do fish ever get thirsty?
2. Why can't we sneeze with our eyes open?
3. Did you know it is impossible to lick your elbow?
4. If you are born on February 29 of a leap year, when is your birthday?
5. If you stick on stickers on non-stick pans, would they stick on?
6. Do sheep get static cling when they rub against one another?
7. Why don't ducks duck when you shoot at them?
8. On a telephone, why does ABC start on the number 2 and not 1?
9. Why do the numbers on the phone go one way, but the numbers on the calculator go the other way?
11. What does the T in T-Shirt really mean?
12. If you built a time machine with all new parts, when you went backwould the parts you use disappear because they didn't exist then?
13. How can sweet and sour sauce be sweet and sour at the same time?
14. If your plan is having no plan, do you have a plan?
15. Do fish sleep?
16. Does anyone actually kill two birds with one stone?
17. If you had x-ray vision, but closed your eyes, could you still see?
18. If you were on a plane going the speed of sound and walked from the back of the plane to the front, would you be walking faster than the speed of sound?
19. If feathers tickle people, do they tickle birds?
20. Does a postman deliver his own mail?
21. Why is the blackboard green?