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 long would it take to build this underground house and pool?
The building of this underground house and...
How high can a gymnastic score be?
Gymnasts have just successfully competed in St...
S'mores
August 10 is National ...
What's the answer?
Image by Twitter user @pjmdoll.
Math...
Should I buy a gasoline, hybrid, or electric car
Should you buy a hybrid or an electric car to sa...
Figuring planting dates
It's time to get ready to plant my gar...
Spiraling triples
Let students explore the patterns of perfect squ...
California water measurements - chains, links, and furlongs
[caption id="attachment_17570" align="aligncenter"...
Big Papi
What do you wond...
The Most Expensive 30 Seconds
This year, the 30-second Super Bowl ads will...