Examples of Teaching with Demonstrations
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Crystallization from Melt Demonstration part of Examples
This demonstration uses melted phenyl salicylate to show how crystals nucleate and grow as the temperature of the liquid melt decreases.
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.
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.
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 ...
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 ...
Buoyancy and Archimedes Principle part of Examples
Summary Buoyancy is based on Archimedes' Principle which states that the buoyant force acting upward on an object completely or partially immersed in a fluid equals the weight of the fluid displaced by the ...
Image Maps part of Examples
The US economy during your lifetime part of Examples
Students predict the best graphical representation of US real GDP/capita during the last twenty years, choosing from graphs showing: cyclical decline, cyclical change with no net change, cyclical increase, or erratic wide fluctuations. Using actual US data, students graph real GDP/capita to find out the actual pattern: a rising series with periodic dips, not a flat series, a falling series, or a highly erratic series as students often predict. Students then reflect on why this pattern is often misunderstood and why it may not fully describe the well-being of the US population.
Convection Demonstration part of Examples
Summary This demonstration uses ** How to set up the demonstration How to do the demonstration Ideas for discussing the convection demonstration in class References and resources