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
Star Wars ... the story continues
The Rise of Skywalker will open on December...
A gorgeous, glittery card
Uh oh! How do you find the are...
Bits, bytes, and nibbles
Clicking on the image will show it larger.
...
Inauguration Date
The date of the Presidential Inauguratio...
Downside Up
🔍 In this updated activity, students...
USPS needs help!
The U.S. Postal Service has been in the news lat...
Weird wing prices
Clicking on this image will show it larg...
Happy Birthday Statue of Liberty
Friday is the Statue of Liberty's 125th birt...
Bye bye Antibiotic Chickens
🔔 Free Trial Alert!🐔Fast food chains like McDonald...