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Showing 1 to 15 of 182 results Save | Export
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Yuting Wu; Yuxin Chen; Yi Cheng – Journal of Chemical Education, 2024
Microfluidics has attracted widespread interest in the fields of chemicals, materials, pharmaceuticals, biology, etc. Integrating low-cost automation based on open-source hardware/software to improve lab security and reduce time consumption is demanded in microchemical processing. In this work, we developed a "do it yourself"…
Descriptors: Chemistry, Mechanics (Physics), Scientific Concepts, Hands on Science
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Kent-Schneider, Isaiah; Kruse, Jerrid – Physics Teacher, 2020
Within physics education research (PER), inductive teaching strategies (e.g., inquiry-based teaching) have long been a goal. Yet others do not seem to be convinced that consensus exists with respect to the goals of physics education and identify three possible goals as: (1) to teach practical, factual knowledge, (2) to develop deep understandings…
Descriptors: Scientific Principles, Physics, Science Instruction, History Instruction
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Milsom, John A. – Physics Teacher, 2021
The classic brachistrochrone problem is standard material in intermediate mechanics. Many variations exist including some accessible to introductory students. While a quantitative solution isn't feasible in introductory classes, qualitative discussions can be very beneficial since kinematics, Newton's laws, energy conservation, and motion along…
Descriptors: Mechanics (Physics), Introductory Courses, College Students, Motion
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Ben-Abu, Yuval; Wolfson, Ira; Yizhaq, Hezi – Physics Education, 2018
We suggest an activity for measuring the speed of a bicycle going in circular motion by measuring the bicycle's lean angle. In this activity students will be able to feel the strength that is being activated on their bodies while they are moving in circular motion. They will also understand that it is impossible to ride in a circle without the…
Descriptors: Motion, Physics, Scientific Concepts, Science Instruction
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Chapman, Peter; Glasser, Leslie – Physics Teacher, 2015
The mechanics of a beam balance are little appreciated and seldom understood. We here consider the conditions that result in a stable balance, with center of gravity below the fulcrum (pivot point), while an unstable balance results when the center of gravity is above the fulcrum. The highly sensitive drinking-straw microbalance, which uses a…
Descriptors: Science Instruction, Scientific Concepts, Physics, Scientific Principles
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Briggs, Michael – Physics Teacher, 2019
The mystery tube is a fairly well known activity among science teachers for illustrating the nature of science. A variety of procedures have been presented for carrying out this activity, such as Scott Miller's method based on the BCSE 5E Instructional Model. Mystery tubes and other "black box" activities allow the students to engage in…
Descriptors: Physics, Science Instruction, Scientific Principles, Teaching Methods
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Lane, W. Brian – Physics Teacher, 2019
In tabletop games involving dice, it is important to ensure randomness of the dice rolls and to protect other gaming elements from being scattered by rolling dice. One way of ensuring random rolls and protecting gaming elements is to drop dice into a dice-rolling tower ("dice tower"). A dice tower is usually small (20 cm by 20 cm) and…
Descriptors: Science Instruction, Physics, Educational Games, Manipulative Materials
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Seitz, B.; Rivera, N. Campos; Gray, R.; Power, A.; Thomson, F. – Physics Education, 2018
Radiation, radiation detection and radiation protection are topics in physics and its applications which generate a wide interest in the public. This interest is either generated through medical procedures, applications of nuclear energy or nuclear accidents. The technical nature of these topics usually means that they are not well covered in the…
Descriptors: Radiation, Physics, Science and Society, Outreach Programs
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Lutz, Joe; Sylvester, Kevin; Oliver, Keith; Herrington, Deborah – Physics Teacher, 2017
"For every action there is an equal and opposite reaction." "Except when a bug hits your car window, the car must exert more force on the bug because Newton's laws only apply in the physics classroom, right?" Students in our classrooms were able to pick out definitions as well as examples of Newton's three laws; they could…
Descriptors: Scientific Concepts, Scientific Principles, Physics, Concept Teaching
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Rodrigues, Hilário; Panza, Nelson; Portes, Dirceu; Soares, Alexandre – Physics Education, 2014
This paper is essentially about the general form of Newton's second law for variable mass problems. We develop a model for describing the motion of the one-dimensional oscillator with a variable mass within the framework of classroom physics. We present a simple numerical procedure for the solution of the equation of motion of the system to…
Descriptors: Physics, Scientific Principles, Models, Mechanics (Physics)
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Kaar, Taylor; Pollack, Linda B.; Lerner, Michael E.; Engels, Robert J. – Physics Teacher, 2017
The use of systems in many introductory courses is limited and often implicit. Modeling two or more objects as a system and tracking the center of mass of that system is usually not included. Thinking in terms of the center of mass facilitates problem solving while exposing the importance of using conservation laws. We present below three…
Descriptors: Physics, Introductory Courses, Scientific Concepts, Problem Solving
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Nowak, Mariusz Karol – Physics Education, 2014
It is hard to observe relativistic effects in everyday life. However, table experiments using a mechanical transmission line for solitons may be an efficient and simple way to show effects such as Lorentz contraction in a classroom. A kink soliton is a deformation of a lattice of several dozen or more pendulums placed on a wire and connected by a…
Descriptors: Laboratory Equipment, Scientific Concepts, Mechanics (Physics), Motion
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White, Colin – Physics Education, 2017
This paper describes three methods of measuring the coefficient of restitution (CoR) for two different types of ball-on-ball collision. The first collision type (for which two different CoR measurement procedures are described) is a static, hanging steel ball forming part of a Newton's cradle arrangement, which is then hit by its adjacent…
Descriptors: Comparative Analysis, Measurement Techniques, Motion, Kinetics
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Dias, Marco Adriano; Carvalho, Paulo Simeão; Rodrigues, Marcelo – Physics Education, 2016
Image modelling is a recent technique in physics education that includes digital tools for image treatment and analysis, such as digital stroboscopic photography (DSP) and video analysis software. It is commonly used to analyse the motion of objects. In this work we show how to determine the position of the centre of mass (CM) of objects with…
Descriptors: Physics, Motion, Video Technology, Teaching Methods
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Secco, Richard A.; Sukara, Reynold E. – Physics Teacher, 2016
There are many lab exercises for upper-level school students and freshman undergraduates to measure the value of the local acceleration due to gravity ("g") near Earth's surface. In these exercises, the value of "g" is usually taken to be constant. The approach is often based on measuring the period of a pendulum that is…
Descriptors: College Freshmen, Kinetics, Motion, Science Activities
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