Exploratorium
Exploratorium: Science Snacks: Coffee Can Cuica
In this activity students will use the engineering design process to make a musical instrument called a cuica. This musical instrument uses "stick-and-slip" vibrations to make the sound.
Curated OER
Coffee Can Drums
Learn how to make a percussion instrument using a coffee can. This site provides instructions for making the coffee can drum. You can also listen to audio clips of coffee can drums being played in various ways.
Texas Instruments
Texas Instruments: Forensics Case 9: Killer Cup of Coffee: Using Colorimetry
In this activity, Students can use colorimetry to determine the concentration of a colored species in a solution and use a linear relationship to model Beer's law. They use Beer's law to determine the concentration of...
Travel Document Systems
Tds: Cameroon: Economy
The economy of Cameroon has encountered many bumps along the road, but you can read about the government's attempt to get it back on track by meeting its financial obligations. Information is from the U.S. State Dept. Background Notes.
Curated OER
Kids Health: Caffeine
Has caffeine ever given you the jitters? Find out why. Also learn about many other effects that caffeine can have on your body. This article from Family Doctor includes a chart that lists how much caffeine different beverages contain....
Other
Seattle Times:a Kirkland Cafe With No Prices
An experiment in people's willingness to pay for coffee plays out at a Seattle coffeehouse where no one knows what you pay for your coffee or if you pay anything at all. An interesting article that can be used as source material for...
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Life in Constantinople
In the streets of Constantinople one might find lemonade sands, sweetmeats, coffee, and pipes and at all hours can be seen the native smoking accompanied by no end of dogs.