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Fletcher, Kurtis A.; Lallier, Nicole M.; Masman, Jack M. – Physics Teacher, 2023
Inspired by a commercially produced scattering experiment that was popular beginning in the 1960s, we have developed a Nerf-projectile-based educational activity to demonstrate the basics of particle scattering experiments.
Descriptors: Science Experiments, Science Instruction, Physics, Motion
Ng, Chiu-king – Physics Teacher, 2022
In this paper, we utilize the readily known theory of the ideal transformer to furnish a self-contained qualitative explanation on the AC-powered Thomson jumping ring (TJR) experiment.
Descriptors: Science Experiments, Science Instruction, Physics, Scientific Concepts
Palacios Gómez, Jesús; Villagómez, Roque André Eleazar Arroyo – Physics Teacher, 2023
Here, a relatively simple laboratory experiment of a physical pendulum, suitable for students of science and engineering in the first courses of university physics, is presented to illustrate its dynamic behavior and to determine its inertia moment. To this end, a long wooden rod of length L = 99.8 cm and cross-section radius R = 1.73 cm was used…
Descriptors: Physics, Science Instruction, Science Laboratories, Motion
Çoban, Atakan; Erol, Mustafa – Physics Education, 2022
The present study reports an Arduino-based STEM education material that resolves the kinematics of a moving object, specifically focusing on two dimensional motion of the object. Throughout the work, a sample application that can be prepared in a classroom where students are active and including the acquisitions of Technology, Engineering, Physics…
Descriptors: STEM Education, Motion, Science Instruction, Measurement Equipment
Lazos, Panagiotis; Nezis, Anastasios; Kyriazopoulos, Nikolaos – Physics Teacher, 2022
The interference pattern between two harmonic oscillations with slightly different frequencies are called beats. The beats, as a combined motion, have two different periods, one approximately equal to the period of the original oscillations, and another that is significantly longer and is related to the variable amplitude of the motion. The main…
Descriptors: Science Instruction, Physics, Motion, Science Experiments
Cross, Rod – Physics Education, 2022
A simple experiment is described to compare the descent time between two vertically separated points when an object slides down tracks of varying shape. A surprising result is that the descent time is shortest when it follows a circular track rather than a cycloidal track. Cycloidal tracks are usually predicted to result in the shortest descent…
Descriptors: Science Experiments, Scientific Concepts, Motion, Mechanics (Physics)
Cross, Rod – Physics Education, 2021
If a smooth ball is dropped vertically without spin on a smooth horizontal surface then one might expect the ball to bounce vertically without spin. If it does not then the centre of mass of the ball does not coincide with its geometric centre. An experiment is described where a billiard ball and a superball are deliberately biassed by adding a…
Descriptors: Science Instruction, Scientific Principles, Physics, Motion
Cross, Rod – Physics Education, 2022
A loop-the-loop experiment is described to show how sliding friction affects motion of the ball. Conservation of energy can be used to explain the basic physics, but significant energy loss is observed in practice and expands the usefulness of this apparatus as a teaching tool.
Descriptors: Science Instruction, Science Experiments, Scientific Concepts, Concept Formation
Cross, Rod – Physics Education, 2022
A loop-the-loop experiment usually involves a ball rolling around a vertical loop. A different version of the experiment is described where a nut was allowed to slide around a vertical loop. In both experiments there is a large decrease in kinetic energy when the ball or the nut first enters the loop.
Descriptors: Science Instruction, Science Experiments, Physics, Scientific Concepts
Dittrich, William A. – Physics Teacher, 2022
Drop Tower Physics (DTP) is composed of a set of experiments using standard physics lecture demonstration equipment, such as a pendulum, mass spring oscillator, and so forth, while videotaping them as they fall freely in the Dryden Drop Tower in Portland, OR. An article published in "The Physics Teacher" illustrated the behavior of a…
Descriptors: Physics, Science Instruction, Science Experiments, Science Equipment
Ferstl, Andrew; Duden, Emily R. – Physics Teacher, 2022
The conical pendulum is a classic introductory physics problem for teaching circular motion--a topic about which students frequently carry alternative conceptions. As teachers provide lessons to untangle these conceptions, it is good to allow students to practice their new knowledge in varied settings. This is one possible experiment that builds…
Descriptors: Science Instruction, Motion, Mechanics (Physics), Scientific Concepts
Cross, Rod – Physics Education, 2022
The trajectory of a ball rolling across an inclined plane was recorded on video film to determine if it followed a parabolic path as others have suggested. The challenges in this case were (a) to determine the magnitude and direction of the friction force on the ball, (b) to determine the effect of the friction force on the trajectory and (c) to…
Descriptors: Science Instruction, Physics, Motion, Scientific Concepts
Cross, Rod – Physics Education, 2022
A 2.7 m long stringless pendulum was set up to measure the coefficient of rolling friction of various balls, at higher rolling speeds than usually observed with a short stringless pendulum. The arrangement is easy to set up and makes an impressive classroom demonstration as well as an interesting laboratory experiment.
Descriptors: Physics, Science Instruction, Motion, Scientific Concepts
Cross, Rod – Physics Education, 2022
A collision of one object with two or more objects is relatively complicated in general, but a simple example is provided by Newton's cradle since all the objects are identical and in line. In the present paper, an experiment is described where a heavy mallet collides head-on with two billiard balls. The two conservation equations indicate that…
Descriptors: Science Instruction, Physics, Science Experiments, Motion
Cross, Rod – Physics Education, 2022
An experiment is described where a pendulum bob was allowed to roll back and forth across an inclined plane. The period of oscillation is larger than that for oscillation in a vertical plane, in part because the effective value of "g" is reduced on an inclined plane. The experiment highlights the differences between all three common…
Descriptors: Science Instruction, Motion, Mechanics (Physics), Science Experiments