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Examples of Teaching with Demonstrations


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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

Contructing a projectile launcher and free falling target part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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

Which U.S. President generated the highest budget deficits? part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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

Total Revenue and Price Elasticity of Demand: ILD part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
This ILD helps students to understand the relationship between total revenue and price elasticity of demand.

Subject: Economics

Law of Diminishing Marginal Returns part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
An ILD to help demonstrate the Law of Diminishing Marginal Returns using an experiment.

Water Contamination Demonstration part of Pedagogy in Action:Library:Interactive Lecture Demonstrations: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

The unemployment rate for the class part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
After predicting what the unemployment rate will be for students in the class, a confidential survey modeled on the Current Population Survey questions is used to gather data about each student's employment. Students use this data to measure the class unemployment rate and then assess its accuracy.

Subject: Economics:Macro

Shape of the demand curve part of Pedagogy in Action:Library:Interactive Lecture Demonstrations:Examples
A classroom auction reveals reservation prices and a demand curve for an introductory economics course.

Subject: Economics:Markets

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 Practices:Active Learning, Physics:Education Foundations:Alternative Conceptions

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