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
How many gumballs are there?
Gumball Machine Problem fro...
The Game of Go
March 9th was the first round...
Chicken to share
How many pieces does each person get when $10 is...
Pizza party figuring
In this activity students decide how to ...
Pi Day Activities
5 Activities for π day!  ...
How fast can you run?
Have you heard of The Six Million Dollar Man? &n...
The growth of Godzilla
Image from Kris Holt: http://www....
Memorial Day 2023
This Monday, Americans w...
New Horizons spacecraft just flew by a really distant asteroid
Brian May, the lead guitarist of the rock band, ...
Mixing colors with food dye
It's time to dye eggs!
...