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Physics and Fun With Photoconductivity
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Brummond, Robert J. – Science Activities, 1973
Briefly outlines the theoretical basis of the phenomenon of photoconductivity and describes a simple experiment which demonstrates the photoconductive properties of cadmium sulfide. (JR)
Descriptors: Laboratory Experiments, Laboratory Procedures, Physics, Science Activities
Experiments with Electric Timing Circuits
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Hastings, R. B. – Science Activities, 1976
Descriptors: Electric Circuits, Electronics, Instructional Materials, Physics
Total Internal Reflection
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Brummond, Robert J. – Science Activities, 1973
Descriptors: Laboratory Procedures, Lasers, Light, Optics
The Polarized Light Show.
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Cordua, William S. – Science Activities, 1996
Presents experiments with polarized light for grades 8-12 which can produce colorful effects with a minimum of equipment and can illustrate many principles of physics, chemistry, and geology. (MKR)
Descriptors: Chemistry, Demonstrations (Science), Geology, Light
To Catch a Ghost
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Ward, Alan – Science Activities, 1973
Discusses the nature of virtual images and how they can be plotted and used to reveal important relationships between objects and their mirror reflections. Describes some applications of virtual images in the theater and classroom. (JR)
Descriptors: Light, Optics, Physics, Production Techniques
The Importance of Wheels
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Vannan, Donald A. – Science Activities, 1973
Applications of wheels are shown to be an invaluable tool in teaching the processes and technology of science. (DF)
Descriptors: Instruction, Instructional Materials, Physical Sciences, Physics
Comments on the Ideal-Gas Law
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Koons, L. F. – Science Activities, 1974
Descriptors: Chemistry, Laboratory Experiments, Laboratory Procedures, Physics
The Idea Corner: Action-Reaction Acceleration
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Alusik, John – Science Activities, 1973
Describes two experiments using carbon dioxide cartridges to demonstrate Newton's third law of motion. (JR)
Descriptors: Demonstrations (Educational), Laboratory Procedures, Mechanics (Physics), Motion
You Can Get Them to Believe Just About Anything
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Allen, Ralph – Science Activities, 1975
Describes how you can lead students to erroneous inferences and conclusions by using demonstrations which point out to students the importance of carefully distinguishing between observations and inferences. (BR)
Descriptors: Demonstrations (Educational), Elementary Secondary Education, Force, Instruction
When Light Bends
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Ward, Alan – Science Activities, 1974
Describes a number of activities designed to assist student understanding of the phenomenon of light bending when it passes from one meduim to another. (JR)
Descriptors: Laboratory Experiments, Laboratory Procedures, Light, Optics
LEDs for Efficient Energy
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Guerin, David A. – Science Activities, 1978
Light-emitting diodes (LEDs) are described and three classroom experiments are given, one to prove the, low power requirements and efficiency of LEDs, an LED on-off detector circuit, and the third an LED photoelectric smoke detector. (BB)
Descriptors: Electric Circuits, Electricity, Electronics, Laboratory Procedures
Photographing Sound Effects: A Novel Technique
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Hastings, R. B. – Science Activities, 1973
Descriptors: Instructional Materials, Laboratory Experiments, Laboratory Techniques, Photography
A Five Dollar Physics Experiment
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Jacobson, David – Science Activities, 1973
Describes the construction of a simple apparatus capable of converting solar energy into mechanical energy. Construction of the engine'' is inexpensive, and should stimulate student interest in the idea of producing power directly from the sun. (JR)
Descriptors: Energy, Laboratory Experiments, Physics, Resource Materials
Recalescence
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Hastings, R. B. – Science Activities, 1974
Describes two experiments in physics, using the same inexpensive apparatus, that may be performed as projects by high ability secondary science students. (JR)
Descriptors: Laboratory Experiments, Laboratory Procedures, Physical Sciences, Physics
Inclined to Roll.
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Shaw, Edward L.; And Others – Science Activities, 1994
Describes an experiment where elementary students determine the optimum angle of inclination for the greatest amount of distance a marble will roll when accelerated down an inclined plane. (PR)
Descriptors: Acceleration (Physics), Elementary Education, Learning Activities, Mechanics (Physics)
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