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
    Valentine's Cardioid
    WojciechSwiderski at the Polish l...
    How old are you?
    We usually give our ages in years, but that isn'...
    Sugary Record
    How big is the world's largest cotto...
    Tornadoes 2019
    Tornadoes have devastated the Midwest, U.S. in t...
    Should I get the Big One?
      Let your students decide if the ...
    How much caffeine are you consuming?
       Did you know that there is an amount...
    Why Does it Stay in Orbit?
    On Monday, the space shuttle Endeavor launch...
    Will sending you back to school this year cost a fortune?
    With high inflation rates, supply short...
    Holiday Shipping
     Now that the holiday shopping season has beg...