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
Holiday soda displays
The holidays are coming! We found these time...
Holiday Movies
In this updated activity, students will explor...
Coronavirus trends
Johns Hopkins University of Medicine has a team ...
Shrinking Toblerone
New York Times photo - Credit Darren Sta...
How long would it take to build this underground house and pool?
The building of this underground house and...
Sugary Record
How big is the world's largest cotto...
Expensive Super Bowl ads
This activity is being updated and will be p...
The new largest Lego set ever - The Roman Colosseum
Note: This is a remake of our 2014 and 201...
Would you rather $10,000 a week vs $10 million at once?
In this updated activity, students e...
Chili Con Queso
Act 1: Take a look at the promo at Moe's. What...