Brain Exercises – September 12

  1. How long is one light year?
  2. A chicken’s brain is partially in his ______.
  3. A lightning bolt is about ________ wide and heats up to _______ F.
  4. The average lightning flash is between ____ and _____ miles long. However, the longest recorded single lightning flash stretched for more than _______ miles over Mississippi, Louisiana, and Texas on April 20,2020.
  5. A streak of lightning can travel at speeds up to _____ miles per second. 
  6. The average lightning flash lasts for _____ seconds.  However, the longest lasting recorded single lightning flash lasted _______ seconds, over Uruguay and northern Argentina in June 2020.
  7. The surface of the sun is about ______ degrees Fahrenheit and the core is about _______ degrees Fahrenheit. 
  8. Between birds and mammals, which has the higher average body temperature? Which mammal has the lowest body temperature of all mammals?
  9. An _____ can run a marathon in 53 minutes; a _______ can run a marathon in one hour and three minutes; a _______ can run a marathon in 2 hours and 30 minutes; the fastest human marathon time is 1 hour and 39 minutes. 
  10. A ______can sprint at 70 miles per hour; a ________ can sprint at 55 mph; a ______can sprint at 54 mph; the fastest human sprinter does 27.5 mph.