653 | Science & Nature | Multiple Choice | Medium | What mineral has the lowest number on the Mohs scale? |
654 | History | Multiple Choice | Medium | The crown of the Empire State Building was originally built for what purpose? |
655 | Entertainment: Film | Multiple Choice | Medium | What is the name of the robot in the 1951 science fiction film classic 'The Day the Earth Stood Still'? |
656 | Entertainment: Books | Multiple Choice | Hard | Abel Magwitch is a character from which Charles Dickens novel? |