In “The Mystery of Yawning” the author wrote about theories scientists have researched concerning the causes of yawning. After reading the book, 4th Grade students of St. Raphael the Archangel School decided to test some of the theories. The students enlisted three family members to test. Students used three suggestion from the book to try to get their subjects to yawn.

  • Talking about yawning
  • Show a picture of someone yawning
  • yawning in front of someone

Students kept track of their results on a chart. After completing the experiments students wrote a summary of their findings.