| 1969 | Science & Nature | Multiple Choice | Hard | A comet's gaseous envelope (which creates the tail) is called what? |
| 1968 | Science & Nature | Multiple Choice | Easy | The asteroid belt is located between which two planets? |
| 1967 | Science & Nature | Multiple Choice | Easy | The element involved in making human blood red is which of the following? |
| 1966 | Science & Nature | Multiple Choice | Medium | The human right lung has how many lobes? |