Growth of Facebook
In this activity, students analyze and graph the numbers and decide if Facebook's growth in the first 20 years has been linear, exponential, meteoric, or something else. Will the number of...
Ratio and Proportion
Genres
Grade
California water measurements - chains, links, and furlongs
Help your students understand what they are reading or hearing about the California drought. Terms like acre-feet, chains, and furlongs are often used to describe the volume of the reservo...
Which Sweet Hearts are the Best Deal?
I have been doing a little shopping for Sweet Heart Candies. I came across these three deals online. Which should I select? In this activity, students determine which package of...
How much does a Lego cost?
This is a three act task, with an activity guide. Show students the act one video. What questions do they have? How much could the Star Wars kit cost? Follow the activity...
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 ...
Nobel prize in physics 2013
François Englert and Peter W. Higgs
François Englert and Peter W. Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire mass. In 1964, they...
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...
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...
Twinkies
Brian loves Twinkies and the news that Hostess is going out of business has upset him terribly. He needs his Twinkies. Twinkies last forever. Right? He's going ...