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
Starbucks Sales and Nutrition
Kick off the activity with starter slides that spa...
BIG Snickers bar
Act 1 - Big question = H...
How much does a Lego cost?
This is a three act task, with an activity g...
The tallest structure made of Legos
Act One:
The world record for the tal...
Federal debt and deficit - What are they?
What's the big deal with our national debt? ...
A lot of Cars
🚙 In this updated activi...
The Power of Leverage
📈 In this activity, students will explore th...
Bears Ears revisited
There is some beautiful land in Utah that was ...
Microns and Masks
How big is one coronavirus? How big is a m...
The odds of horse race betting
Rich Strike surprised everyone at the Kentucky D...