Chemistry Collective
Chem Collective: Coffee Problem
In this activity, students use knowledge of specific heat capacity to mix together hot coffee and cold milk to create a solution of coffee at a desired temperature. In this randomized problem, each student is given a different final...
TeachEngineering
Teach Engineering: What's Down the Well?
This activity looks at physical models of groundwater and how environmental engineers determine possible sites for drinking water wells. During this activity, students will create their own groundwater well model using a coffee can and...
Science Education Resource Center at Carleton College
Serc: Applicable Stoichiometry: Combustion Reaction of Acetylene
In this chemistry lab, students investigated the best stoichiometric mixture of acetylene gas generated from the reaction of calcium carbide and water with available atmospheric oxygen in order to achieve the highest group altitude of a...
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....
TeachEngineering
Teach Engineering: Sliding and Stuttering
Students use a spring scale to drag an object such as a ceramic coffee cup along a table top or the floor. The spring scale allows them to measure the frictional force that exists between the moving cup and the surface it slides on. By...
TeachEngineering
Teach Engineering: Discovering Friction
With a simple demonstration activity, students are introduced to the concept of friction as a force that impedes motion when two surfaces are in contact. Then, in the Associated Activity (Sliding and Stuttering), they work in teams to...
Science is Fun
Fun Science: Candy Chromatography
Using simple household items like M&Ms and coffee filters, you can demonstrate paper chromatography. This simple lab will show you the dyes that make up the different color coatings on M&Ms.
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.