Saffron and paella
In order to cook Paella (a delicious Spanish rice dish) I needed to buy Saffron spice. It was hugely expensive. So, I've decided to start a business of growing saffron and becoming immen...
Algebra
Genres
Grade
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 ...
Bits, bytes, and nibbles
Clicking on the image will show it larger.
I'm not very good at understanding how large my device capacities are and how big the files that I want to download are in comparison. I decid...
Raising the bar
Recovery of the treasure from the 1941 sinking of the S.S. Gairsoppa was recently completed and a huge amount of silver was brought up from the ocean floor. Let your students get a fe...
Methane math
Updated! Carbon dioxide and methane are our two most prevalent human-contributed greenhouse gases. This holstein cow is one of many huge contributors to our methane production. &nb...
Big gulp
Do you or your students love sugary drinks? What if it were against the law to order a large sugary drink where you lived? On September 13th, 2012 the New York City Health Department ban...
Cruising
There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their need...
Voyager on the edge
The two Voyager space probes are in the news recently as they approach the edge of our solar system. Scientist can tell that the Voyager's environments are changing. They are receiving m...
Curiosity landed on Mars
Keep your students up on what's happening in space while analyzing Curiosity the Mars Rover's speed, the speed of a radio transmission from Mars, and the deceleration involved in a "sky crane" lan...
Storm cleanup
This activity could be used as an introduction to trig ratios. Students figure out the approximate length of the huge branch that I have to fell for safety and firewood. After approximating ...