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Direct linkRibeiro, Carla – School Science Review, 2017
The double-wall paper cup is an everyday object that can be used in the laboratory to study heat transfer. The experiment described here has been done by physics students aged 12-13 years; it can also be used in a different context to prompt debate about environmental issues.
Descriptors: Science Instruction, Physics, Science Laboratories, Science Experiments
Perez-Benito, Joaquin F. – Journal of Chemical Education, 2017
The elementary reaction sequence A ? I ? Products is the simplest mechanism for which the steady-state and quasi-equilibrium kinetic approximations can be applied. The exact integrated solutions for this chemical system allow inferring the conditions that must fulfill the rate constants for the different approximations to hold. A graphical…
Descriptors: Chemistry, Kinetics, Scientific Concepts, Graduate Study
Ingulfsen, Line; Furberg, Anniken; Strømme, Torunn Aanesland – International Journal of Computer-Supported Collaborative Learning, 2018
This paper reports on a study of teacher support in experimental computer-supported collaborative learning (CSCL) settings where students engage with graphs in real-time labs within the context of school science. Real-time labs are digital devices and software connected to student-controlled sensors or probes that can measure and visualize data…
Descriptors: Computer Assisted Instruction, Educational Technology, Graphs, Science Instruction
Wong, Wing-Kwong; Chen, Kai-Ping; Lin, Jia-Wei – International Journal of Distance Education Technologies, 2020
The results of PISA 2015 indicate that Taiwanese students have excellent mathematical and scientific knowledge but are weak in applying such knowledge and in conducting practical experiments in the laboratory. To support students conducting practical experiments in physics laboratories, a real-time data logging system and an online tool for…
Descriptors: Foreign Countries, Physics, Science Instruction, Handheld Devices
Wheate, Nial J.; Apps, Michael G.; Khalifa, Hazer; Doughty, Alan; Patel, Alpesh Ramanlal – Journal of Chemical Education, 2017
A laboratory experiment to determine the concentration of the anti-inflammatory drug ibuprofen in liquid gelatin capsule dosage forms, suitable for undergraduate chemistry or pharmacy students, is described. Either individually, or in small teams, the students digest two 200 mg capsules in a KOH solution. While the capsules are digesting the…
Descriptors: Science Instruction, Science Laboratories, Laboratory Experiments, Science Experiments
Montangero, Marc – Journal of Chemical Education, 2015
When dissolving copper in nitric acid, copper(II) ions produce a blue-colored solution. It is possible to determine the concentration of copper(II) ions, focusing on the hue of the color, using a smartphone camera. A free app can be used to measure the hue of the solution, and with the help of standard copper(II) solutions, one can graph a…
Descriptors: Science Instruction, Secondary School Science, Telecommunications, Handheld Devices
Waugh, Michael – Science Teacher, 2007
The purpose of this article is to describe a simple laboratory activity in which students collect a series of measurements and then use graphical analysis to determine the nature of the relationship between an object's mass and the volume of water it displaces. In this activity, students explore the relationships between the mass of a floating…
Descriptors: Scientific Concepts, Models, Science Activities, Science Laboratories
