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Bartlett, Albert A. – Physics Teacher, 2012
Approximately 50,000 people ran and walked down the street past my home in the 33rd annual running of the 10-km Bolder Boulder footrace on the morning of Memorial Day, May 30, 2011. In addition to the serious runners, there were many individuals dressed in all manner of amusing festival costumes; some were jogging and some were walking. Early in…
Descriptors: Physics, Video Technology, Science Instruction
Bartlett, Albert A. – Physics Teacher, 2010
Two recent articles make prominent use of the concept of "apparent weight." The concept of "apparent weight" leads to two confusing inconsistencies. We need to know that with very little change in our representations, we can give our students an improved understanding of "weight" without ever having to invent the appealing but confusing concept of…
Descriptors: Student Motivation, Scientific Concepts, Science Education, Physics
Bartlett, Albert A. – Physics Teacher, 2010
The following is a petition written over 36 years ago by University of Colorado students to the seven members of Colorado's delegation to the United States Congress. I was advisor to the student groups and found this when cleaning up my university office. It strikes me as being amazingly farsighted.
Descriptors: Science Education, Student Publications, Universities, College Students
Bartlett, Albert A. – Physics Teacher, 2008
On Dec. 27, 2006, we drove with our children and their families to a cabin we rented on the grounds of the "YMCA of the Rockies" in Estes Park, CO, for a few days of winter relaxation and recreation. On the night of the 27th a snowstorm dropped over half a meter of new snow, creating a beautiful winter wonderland. For the next couple of days the…
Descriptors: Photography, Science Instruction, Climate, Thermodynamics
Bartlett, Albert A. – Physics Teacher, 2008
The article "Torsional Oscillations with Lorentz Force" by Paul Gluck provides a glimpse into the major world of ancient physics demonstrations in the late 19th and first half of the 20th centuries. The apparatus that was described and similar pieces of apparatus are the basis for many memorable but long forgotten educational demonstrations. The…
Descriptors: Physics, Demonstrations (Educational), Scientific Principles, Science History
Bartlett, Albert A. – Physics Teacher, 2006
Several times a week I walk by a metal chair that is fastened to a flat concrete slab at an outdoor bus stop here in Boulder. One day I noticed on the concrete a nice shadow image of the woven metal seat of the chair (Fig. 1). The seat and back of the chair are formed from 3.8-cm wide strips of metal spaced 3.8 cm apart. The seat is about 39 cm…
Descriptors: Measurement, Spatial Ability, Scientific Concepts, Scientific Principles
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1975
Describes the serendipitous discovery of paths left by charged particles in the magnetic deflection unit outside of a cyclotron. Offers suggestions for their occurrence. (CP)
Descriptors: Atomic Structure, Energy, Laboratory Equipment, Magnets
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1976
Photographs of snow covered buildings are used to illustrate thermal radiation from various types of structures and the effect of insulation on heat loss. (CP)
Descriptors: Building Design, Fuel Consumption, Heating, Instructional Materials
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1976
Descriptors: Enrichment Activities, Heat, Instructional Materials, Physics
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1975
Describes a demonstration using a heated wire to illustrate the phase change from the body-centered cubic form of iron to the face-centered cubic form. (MLH)
Descriptors: Chemistry, College Science, Demonstrations (Educational), Higher Education
Peer reviewed
Bartlett, Albert A.; Dreitlein, Joseph – Physics Teacher, 1974
Descriptors: Electricity, Energy, Heating, Instructional Materials
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1976
Provides tables and graphs that give a complete and simple picture of the relationships of image distance, object distance, and magnification in all formations of images by simple lenses and mirrors. (CP)
Descriptors: Educational Media, Instructional Materials, Optics, Physics
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1978
Comments on a news item on rail traffic that is meant to promote conservation of energy. (GA)
Descriptors: Energy, Energy Conservation, Fuel Consumption, Mechanics (Physics)
Peer reviewed
Harrison, James L.; Bartlett, Albert A. – Physics Teacher, 1978
Discusses energy consumption of electric and battery operated electronic clocks. (SL)
Descriptors: Electricity, Energy, Energy Conservation, Physics
Peer reviewed
Bartlett, Albert A. – Physics Teacher, 1978
Presents part eight of a continuing series on the exponential function in which, given the current population of the Earth and assuming a constant growth rate of 1.9 percent backward looks at world population are made. (SL)
Descriptors: Mathematical Applications, Population Growth, Population Trends, Science Education