- Count to 10 by saying, "One one thousand, two one thousand, three one thousand ... ten one thousand." How many seconds elapsed? Use your phone's stopwatch or Google's stopwatch.
- Which president is on the U.S. dime?
- Where is the human heart located?
- If a small snake (for example, a garter snake) encountered a human skull, would the snake be able to easily enter the skull by going through one of the eye sockets?
- What is Madonna's birth/given name?
- When JFK was assassinated, how many people were in the car?