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Examples of Teaching with Demonstrations


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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.

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

Subject: Education

Thermal Conductivity Demonstrations part of 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 ...

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 ...

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

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

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

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

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