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Examples of Teaching with Demonstrations


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The Elliptic Orbit part of Examples
Planet motion around a star - introductory activity with interesting animation. The activity allows the student to revile the connection between the kinematics of planet and energy of the planet along the orbit.

Electromagnetic Induction Demonstration part of Examples
This simple demonstration shows the interaction between electricity and magnetism. Two coils of wire are held close to each other, but not touching. One is attached to a music source, such as a small radio or iPod, and the other is attached to an external speaker. Students can hear the music through the speaker even though there is no direct connection.

Subject: Physics:Electricity & Magnetism:Inductance

What's the best payment? part of Examples
After predicting which of two earnings streams has the highest currrent value, students use a discounted values table to compare the two earnings streams, discovering that earlier earnings has higher value and that ...

Subject: Economics:Micro

Understanding money: Where is most of my money? part of Examples
This activity uses an Interactive Lecture Demonstration to help students understand the definition of money in a modern economy. Starting with the common misconception that money is coins and currency, the ...

Subject: Economics:Macro

Which U.S. President generated the highest budget deficits? part of Examples
Students compare budget deficits and surpluses generated between 1969 and 2008 measured in nominal terms and then as a percentage of GDP.

Subject: Economics:Macro policy

Monopoly gas station part of Examples
Students predict then calculate and graph profit-maximizing the price for an isolated, desert monopoly gas station.

Subject: Economics:Markets

Price elasticity of demand survey part of Examples
Students survey class members to estimate the price elasticity of demand for a number of goods and services.

Subject: Economics:Micro

Law of Diminishing Marginal Returns part of Examples
An ILD to help demonstrate the Law of Diminishing Marginal Returns using an experiment.

Subject: Economics

Adhesion, Cohesion, and Surface Tension Demonstration part of Examples
This short (<5-10 minutes) pair of demonstrations uses glass slides with a very thin film of water to demonstrate the cohesive and adhesive forces of water molecules, and a needle floating on water to demonstrate surface tension.

Subject: Geoscience:Hydrology

Presenting the Geologic Timescale part of Examples
This project has students model the geologic timescale using distance as a metaphor for time. Students give presentions spaced at distances which represent how far apart in time the events occurred.

Subject: Geoscience:Geology:Historical Geology