1. How many golf balls will fit in a suitcase?
2. How many piano tuners are there in Chicago?
3. How many cells are there in a human body?
4. How many hairs are there on a human head?
5. How many individual frames are needed for a feature length motion picture?
6. What is the ratio of spacing between gas molecules to molecular diameter in a gas at standard temperature and pressure?
7. How many seconds are there in a year?
8. If your life earnings were doled out to you by the hour, how much is your time worth per hour?
9. What is the weight of solid garbage thrown away by American families each year?
10. How many molecules are in a standard classroom?

Physics Stuff