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Starting Point-Teaching Entry Level Geoscience > Interactive Lecture Demonstrations > Examples of Teaching with Demonstrations

# Examples of Teaching with Demonstrations

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An electrostatics puzzler part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
An interactive lecture demonstration intended to help students use physics reasoning to predict the outcome of a puzzling electrostatics demonstration.

Subject: Physics, Electricity & Magnetism, Electricity & Magnetism:Electrostatics, Physics:Education Foundations:Alternative Conceptions, Physics:Education Practices:Active Learning

A simple motor/generator demonstration for use in interactive lecture part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
This activity describes a simple clear demonstration of electric generators (Faraday's Law) and electric motors (Lorentz Force). This demonstration can be used as an interactive lecture demonstration.

Subject: Physics:Electricity & Magnetism:Magnetic Fields and Forces, Electromagnetic Induction, Physics:Electricity & Magnetism

Buoyancy and Archimedes Principle part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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 ...

The Elliptic Orbit part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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.

Subject: Physics:Classical Mechanics:Motion in Two Dimensions, Gravity

The US economy during your lifetime part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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.

Subject: Economics:Macro

Thermal Conductivity Demonstrations part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
Summary Here are three ideas for demonstrating thermal conductivity to your students. I. Heat flow down a metal rod (or rods) is timed by seeing wax melt at different locations along the rod. II. A rod made of ...

Convection Demonstration part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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

Subject: Education

Presenting the Geologic Timescale part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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

Pressure Melting of Ice: While-U-Wait part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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.

Subject: Physics, Geoscience:Hydrology

Adhesion, Cohesion, and Surface Tension Demonstration part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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