Examples of Teaching with Demonstrations
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M&M Model for Radioactive Decay part of Quantitative Skills:Activity Collection
A tasty in-class demonstration of radioactive decay using two colors of M&M's. Illustrates the quantitative concepts of probability and exponential decay. This activity is appropriate for small classes (<40 students).
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.
Resolving Force Vectors: Interactive Demonstration part of Examples
This is an Interactive Lecture Demonstration for resolving force vectors using the suspended block demonstration (1J30.10).
Pressure Melting of Ice: While-U-Wait part of Examples
In this demonstration, students get to witness pressure melting and regelation first-hand. A weight is suspended via a thin wire over an ice cube. Over the course of the course of the demonstration, the wire passess through the ice, leaving undamaged ice in its wake.
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 ...
Image Maps part of Examples
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.
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.