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
What's my angle?
I'm going to help save the planet by adding so...
Winter Solstice 2023
It is really dark out now. Why is that? Stud...
Pizza party figuring
In this activity students decide how to ...
A Glass of Sweat
What is this machine for?
...
Can Joey and Miki do it again?
Updated ! ...
How long will it take you to trick-or-treat?
It's Halloween and this is your neighborhood...
Holiday soda displays
The holidays are coming! We found these time...
Growth of Facebook update
Facebook is so accepted in our world today that ...
How does the pay for women's soccer compare to that of men's?
All soccer players...
How should I spend my rewards?
There's a new way to earn rewards at many groc...