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Examples of Teaching with Demonstrations


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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

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

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

Earthquake Demonstration part of Examples
This demonstration uses an "earthquake machine" constructed from bricks, sand paper, and a winch, to simulate the buildup of elastic strain energy prior to a seismic event and the release of that energy during an earthquake.

Subject: Environmental Science:Natural Hazards:Earthquakes, Geoscience:Geology:Structural Geology:Microstructures, Deformation Mechanisms, Fabrics

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

Igneous Rocks Model part of Examples
While working in groups to facilitate peer tutoring, students use samples of four igneous rocks (gabbro, basalt, granite, and rhyolite) to observe differences in texture, color and grain size and make inferences ...

Subject: Geoscience:Geology:Igneous and Metamorphic Petrology:Igneous Rocks

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

Introduction to Work and Energy: The Hopper Popper Surprise part of Examples

Subject: Physics:Classical Mechanics:Work and Energy

Understanding the Motion of a Harmonic Oscillator part of Examples
This inteactive lecture and series of demonstrations develops the concepts and vocabulary of oscillatory motion as it relates to the motion of a mass on a spring.

Subject: Physics:Oscillations & Waves