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Examples of Teaching with Demonstrations


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Crystallization from Melt Demonstration part of Examples
This demonstration uses melted phenyl salicylate to show how crystals nucleate and grow as the temperature of the liquid melt decreases.

Subject: Geoscience:Geology:Mineralogy:Crystal Chemistry, Geoscience:Geology:Igneous and Metamorphic Petrology:Igneous Processes

Copper Extraction Demonstration Tutorial part of Examples
Summary This demonstration uses sulfuric acid and crushed copper ore (malachite) to produce a solution of copper sulfate and carbonic acid in a beaker. When a freshly sanded nail is dropped into the copper sulfate ...

Subject: Geoscience:Geology:Mineralogy:Systematic Mineralogy:Native Elements, Environmental Science:Waste:Toxic and Hazardous Wastes:Metals, Environmental Science:Mineral Resources:Mining, Geoscience:Geology:Geochemistry:Aqueous Solutions, Geoscience:Geology:Mineralogy:Systematic Mineralogy:Oxides and Hydroxides

Phases of the Moon part of Examples
This exercise has students use a simple physical model of the Earth, sun, and moon to understand why the moon changes phases from the perspective of Earthly observers.

Subject: Geoscience:Lunar and Planetary Science

Slinky and Waves part of Examples
Use a Slinky to show:P and S waves, Wave reflection, and Standing waves in interactive lecture demonstration.

Subject: Physics:Oscillations & Waves:Wave Motion, Geoscience:Oceanography:Physical , Geoscience:Geology:Structural Geology:Rheology/Behavior of Materials

Fog Chamber part of Examples
Show how clouds and fog are created with a very simple physical model. Materials needed are: A large 1 gallon jar, latex glove, a little water, and matches.

Subject: Geoscience:Atmospheric Science:Meteorology:Clouds and precipitation

Subduction Zone Earthquakes part of Examples
While working in groups to facilitate peer tutoring, students manipulate a hands-on, physical model to better comprehend several characteristics of subduction zone earthquakes.

Subject: Environmental Science:Natural Hazards:Earthquakes, Geoscience:Geology:Tectonics, Geophysics:Seismology

Helping Students Discover Total Internal Reflection part of Pedagogy in Action:Library:Interactive Lectures:Examples
Students learn the basic relationship of Snell's Law, practice applying it to a situation, then are given another situation where it "doesn't work."??? This situation turns out to be one in which total internal reflection occurs. Students are then shown what happens with classroom apparatus.

Subject: Physics:Optics

Properties of Electrostatic Charge: Interactive Lecture Demonstration part of Examples
This activity is an interactive lecture demonstration format which can be used to teach the first lesson of electrostatics. Students will investigate conservation of charge, charge by contact, polarization of charge and charge by induction.

Subject: Physics:Electricity & Magnetism

The Magic of Optics: Now you see it, now you don't part of Examples
A magical demonstration where a Pyrex tube vanishes in a beaker of mineral oil. Useful demonstration to introduce to concept of refraction (and/or partial reflection).

Subject: Physics:Optics

Introduction to Torques: A Question of Balance, Featuring the Sledge Hammer of the Sierra Madre part of Examples
Interactive Lecture Demonstrations to illustrate the nature of torques and on the balancing of torques in static equilibrium.

Subject: Physics:Classical Mechanics