2023-11-20 09:44:30
Green, green river
Green, 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.
Comments (0)
Display 1 - 10 Of total 0
Valentine's Day Activities (Compilation)
Happy Valentine...
Do you want to be an NBA virtual fan?
For health concerns, professional sports now hav...
V-o-r-t-e-x
Weather temperatures have been extreme in the ...
Stock Market headlines - Biggest losses since 2008
This year the Dow Jones Industrial Average m...
Free Flights?
This can't be righ...
It's almost summer now
How much wat...
How fast can you run?
Have you heard of The Six Million Dollar Man? &n...
Typical Super Bowl scores
Updated for 2023!
In this activi...
Betsy Ross's 5-pointed star
Flag of the United States from 1777 to 1795....
Growth of Facebook update
Facebook is so accepted in our world today that ...