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Examples of Teaching with Demonstrations


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Plate Kinematics part of Examples
While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend the dynamics of plate kinematics.

Subject: Geoscience:Geology:Tectonics

An electrostatics puzzler part of 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 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

Contructing a projectile launcher and free falling target part of Examples
This activity describes the construction and use of a pneumatic cannon and free falling target used to teach the concepts of projectile motion in introductory physics.

Subject: Physics:Classical Mechanics:Gravity, Physics:Electricity & Magnetism:DC Circuits, Physics:General Physics:Equipment, Physics:Education Practices:Instructional Material Design, Technology, Physics:Classical Mechanics:Motion in Two Dimensions, Projectile Motion, Physics:Education Foundations:Teacher Content Knowledge, Physics:Education Practices:Active Learning

Water Contamination Demonstration part of Examples
Summary: Misplaced Matter and Water Pollution The drinking water pollution demonstration provides a very simple but dramatic way to get students to think about water contamination and drinking water standards, ...

Subject: Geoscience:Hydrology

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

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.

Subject: Physics, Geoscience:Hydrology

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

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.

Subject: Economics:Macro