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Daffron, John A.; Greenslade, Thomas B., Jr. – Physics Teacher, 2015
Recently the handsome little galvanometer (only 10 cm high) in Fig. 1 came into the Greenslade Collection. This is a design without a moving coil and, consequently, is very rugged. At the same time, John Daffron independently sent Tom Greenslade the picture of a similar galvanometer that he had made some years back and has been using for…
Descriptors: Measurement Equipment, Measurement Techniques, Energy, Science Experiments
DiLisi, Gregory A. – Physics Teacher, 2017
This May marks the 80th anniversary of the "Hindenburg" disaster. On May 6, 1937, the German passenger zeppelin "Hindenburg," hovering 300 feet in the air and held aloft by seven million cubic feet of hydrogen gas, burst into flames while preparing to dock at the Naval Air Station in Lakehurst, NJ (Fig. 1). Amazingly, the…
Descriptors: Science History, Death, Physics, Air Transportation
Hergemöller, Timo; Laumann, Daniel – Physics Teacher, 2017
Today smartphones and tablets do not merely pervade our daily life, but also play a major role in STEM education in general, and in experimental investigations in particular. Enabling teachers and students to make use of these new techniques in physics lessons requires supplying capable and affordable applications. Our article presents the…
Descriptors: Handheld Devices, Telecommunications, Visual Aids, Laboratory Equipment
Venkatesan, Aparna; Burgasser, Adam – Physics Teacher, 2017
The chronic underrepresentation of Native and indigenous peoples in STEM fields (Fig. 1) has been a longstanding issue in the United States, despite concentrated efforts by many local and national groups, including the Society for Advancement of Chicanos/Hispanics and Native Americans in Science (SACNAS) and the American Indian Science and…
Descriptors: Indigenous Populations, Indigenous Knowledge, World Views, STEM Education
Ribeiro, Jair Lúcio Prados – Physics Teacher, 2015
Our high school optics course finishes with an assignment that students usually appreciate. They must take pictures of everyday situations representing optical phenomena such as reflection, refraction, or dispersion, and post them on Instagram. When the photos were presented to the class, one student revealed an intriguing photo, similar to Fig.…
Descriptors: Optics, Light, Scientific Concepts, Scientific Principles
Frank, Brian W. – Physics Teacher, 2018
The goal of this paper is to illustrate different ways that cardsorting activities (or "card stacks") can be implemented in the introductory physics classroom, along with various tips and resources for getting started. My first attempt at developing a card stack came about from simply wanting to try out a fun way to change student…
Descriptors: Task Analysis, Problem Sets, Introductory Courses, Physics
Robertson, Amy D.; Goodhew, Lisa M.; Scherr, Rachel; Heron, Paula R. L. – Physics Teacher, 2021
Among the student ideas about forces discussed in the literature, perhaps the most commonly reported is the notion of an impetus force, or the "belief that there is a force inside a moving object that keeps it going and causes it to have some speed." For example, Clement asked university students taking introductory mechanics to draw a…
Descriptors: Physics, Logical Thinking, Scientific Concepts, College Students
Merhar, Vida Kariž; Capuder, Rok; Maroševic, Timotej; Artac, Sonja; Mozer, Alenka; Štekovic, Maja – Physics Teacher, 2016
In the school year 2012-2013 about 50 students (Fig. 1), managed by mentors (teachers from the middle school Gimnazija Vic in Ljubljana, Slovenia) created an atmospheric probe and launched it into an altitude of more than 30 km above Earth's surface. The aim of this "space expedition" was to take pictures of Earth and to measure how air…
Descriptors: Science Instruction, Physics, Earth Science, Science Experiments
Cross, Rod – Physics Teacher, 2013
A tippe top (see Fig. 1) is usually constructed as a truncated sphere with a cylindrical peg on top, as indicated in Fig. 2(a). When spun rapidly on a horizontal surface, a tippe top spins about a vertical axis while rotating slowly about a horizontal axis until the peg touches the surface. At that point, weight is transferred to the peg, the…
Descriptors: Mechanics (Physics), Geometric Concepts, Scientific Concepts, Science Instruction
Kim, Young-Suk Grace; Park, Seo-Hyun – Reading and Writing: An Interdisciplinary Journal, 2019
We examined the Direct and Indirect Effects model of Writing (DIEW), using longitudinal data from Korean-speaking beginning writers. DIEW posits hierarchical structural relations among component skills (e.g., transcription skills, higher order cognitive skills, oral language, motivation/affect, background knowledge) where lower level skills are…
Descriptors: Writing (Composition), Thinking Skills, Korean, Elementary School Students
Reif, Marc – Physics Teacher, 2014
I came up with a new way to introduce the concept of a constant gravitational field near the surface of the Earth. I made "g-field detectors" (see Fig. 1 ) and suspended them by strings from the ceiling in a regular spacing. The detectors are cardstock arrows with a hole punched out of them and the letter "g" in the center.
Descriptors: Physics, Scientific Concepts, Scientific Principles, Science Education
Froehle, Peter; Miller, Charles H. – Physics Teacher, 2012
An interesting, quick, and inexpensive lab that we do with our students is to tape one end of a string just less than halfway around the back side of a uniform solid cylinder m[subscript 1] and attach the other end of the string to a mass m[subscript 2] that is below a pulley (Fig. 1). Data can be collected using either an Ultra Pulley (Fig. 2) or…
Descriptors: Energy, Misconceptions, Conservation (Concept), Laboratory Experiments
Heaton, Patrick Michael – ProQuest LLC, 2011
The purpose of this study was to examine what effect the Freshmen Interest Group (FIG) program, a variation of a non-residential learning community had on academic achievement scores and institutional rates of persistence. Study variables included: gender; race; pre-collegiate academic achievement (GPA scores); educational preferences (major…
Descriptors: Communities of Practice, Academic Achievement, Scores, Academic Persistence
Metz, James – Physics Teacher, 2014
Light refracts as it travels from one medium to another. The angle of incidence "i" and the angle of refraction "r" are related by Snell's law, sin"i" ÷ sin"r"="k," where "k" is a constant. The diagram in Fig. 1 shows a geometric representation of the formula for light passing from…
Descriptors: Geometry, Scientific Principles, Light, Geometric Concepts
Daffron, John A.; Greenslade, Thomas B., Jr. – Physics Teacher, 2015
Barlow's wheel has been a favorite demonstration since its invention by Peter Barlow (1776-1862) in 1822. In the form shown in Fig. 1, it represents the first electric motor. The interaction between the electric current passing from the axle of the wheel to the rim and the magnetic field produced by the U-magnet produces a torque that turns…
Descriptors: Science Instruction, Energy, Scientific Concepts, Magnets