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
More Population Pyramids
The population pyramid above shows the d...
My Facebook IPO investment
What is an IPO? Are they always good inves...
Pottytalk
I'm trying to be more savy abo...
Stacking Jack
Act One: Check out the video slide show. &nb...
How much chocolate is left?
In this short activity, students reason and ...
Ramen noodle heist
In 2018, a truck trailer was stolen from a parki...
Big gulp
Do you or your students love sugary drinks? &nbs...
Big Air snowboarding
Starting February 18th a new Olympic sport will be...
Will the new iPhone sales be huge?
Apple just announced their new, 10th anniversary...
Consumer spending 2018
Graph from Wolfram Alpha
Consumers in ...