Green, green river

2023-11-20 09:44:30

Green, green river


green-river


During the St. Patrick's Day parade in Chicago, the local plumbers union dyes the Chicago River emerald green.

Students learn what PPM (parts per million) means and  attempt to figure out how much dye is used to sufficiently color the river.  


Activity Solutions & Supporting Materials
Share this:
Comments (0)
    Display 1 - 10 Of total 0
    Effects of new MLB rules
    This year new rules ...
    How Many Donuts is That?
    Act One:  Take a look at the first pict...
    Eliud Kipchoge runs marathon in 1:59:40.2
      Eliud Kipchoge breaks 2 hour marathon ba...
    How much did the tooth fairy give you when you lost a tooth?
       Think back to when you were loosin...
    Choosing the NBA All-Star team
    The weekend of February 14 - 16 wil...
    It might be a good year to see the Perseid meteor shower
    Catching a productive meteor shower can ...
    April Fool's Day fun
    This day is known for pranks and puzzles.   T...
    Beijing Olympic Schedule 2022
    The Winter Olympics begins this week in Beijing....
    What's your favorite sport?
    What is your favorite sport?  Wait, do I mean...