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Showing 16 to 30 of 360 results Save | Export
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Asherman, Florine; Cabot, Gilles; Crua, Cyril; Estel, Lionel; Gagnepain, Charlotte; Lecerf, Thibault; Ledoux, Alain; Leveneur, Sebastien; Lucereau, Marie; Maucorps, Sarah; Ragot, Melanie; Syrykh, Julie; Vige, Manon – Journal of Chemical Education, 2016
The rise in carbon dioxide (CO[subscript 2]) concentration in the Earth's atmosphere, and the associated strengthening of the greenhouse effect, requires the development of low carbon technologies. New carbon capture processes are being developed to remove CO[subscript 2] that would otherwise be emitted from industrial processes and fossil fuel…
Descriptors: Climate, Student Projects, Feedback (Response), Foreign Countries
Jones, Richard C.; Bagheri, Nazgol – Geography Teacher, 2019
This exercise introduces students to the observation that warming is unequal at the level of regions and countries, helps them analyze why this is so, and encourages reflection on actions by specific countries. In addition, students will uncover the relative roles of methane and carbon dioxide in local warming, the role of greenhouse gas emissions…
Descriptors: Geography Instruction, Teaching Methods, Climate, Environmental Education
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Curran, Mary Carla; Ramsey, Andrée L.; Bower, Amy S. – Science Activities: Projects and Curriculum Ideas in STEM Classrooms, 2021
Oceans play an important role in weather and climate through transfers of heat and moisture to the atmosphere, and by moving heat and climate-relevant molecules like carbon dioxide around the globe. Energy also transfers from the atmosphere to the surface of the ocean, traveling down through the water column creating ocean currents that transport…
Descriptors: Oceanography, Physical Geography, Mathematics Education, Science Education
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Wright, Suzie; Watson, Jane; Smith, Caroline; Fitzallen, Noleine – Teaching Science, 2021
Life would not be possible without plants. Plants supply food to many organisms (including people), produce oxygen, absorb carbon dioxide from the air, provide products for human use, and homes for many other living things. It is not surprising, therefore, that plant growth is a familiar topic in the primary school science curriculum. This paper…
Descriptors: Science Instruction, Plants (Botany), Grade 6, STEM Education
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Jadrich, James; Bruxvoort, Crystal – Physics Teacher, 2010
Fill an ordinary latex balloon with helium gas and you know what to expect. Over the next day or two the volume will decrease noticeably as helium escapes from the balloon. So what happens when a latex balloon is filled with carbon dioxide gas? Surprisingly, carbon dioxide balloons deflate at rates as much as an order of magnitude faster than…
Descriptors: Thermodynamics, Mechanics (Physics), Scientific Concepts, Chemistry
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Kang, Seong-Joo; Ryu, Eun-Hee – Journal of Chemical Education, 2007
This article presents the development of a carbon dioxide fountain. The advantages of the carbon dioxide fountain are that it is odorless and uses consumer chemicals. This experiment also is a nice visual experiment that allows students to see evidence of a gaseous reagent being consumed when a pressure sensor is available. (Contains 3 figures.)…
Descriptors: Chemistry, College Science, Secondary School Science, Undergraduate Students
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Gaihre, Santosh; Semple, Sean; Miller, Janice; Fielding, Shona; Turner, Steve – Journal of School Health, 2014
Background: We tested the hypothesis that classroom carbon dioxide (CO[subscript 2]) concentration is inversely related to child school attendance and educational attainment. Methods: Concentrations of CO[subscript 2] were measured over a 3-5?day period in 60 naturally ventilated classrooms of primary school children in Scotland. Concentrations of…
Descriptors: Classroom Environment, Attendance, Educational Attainment, Elementary School Students
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Ramette, Joshua J.; Ramette, Richard W. – Physics Education, 2011
Misconceptions of siphon action include assumptions that intermolecular attractions play a key role and that siphons will operate in a vacuum. These are belied by the siphoning of gaseous carbon dioxide and behaviour of siphons under reduced pressure. These procedures are suitable for classroom demonstrations. The principles of siphon action are…
Descriptors: Misconceptions, Scientific Principles, Science Instruction, Scientific Concepts
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Lindén, Johan; Källman, Kjell-Mikael; Holm, Erik – Physics Education, 2018
A glass filled with carbon dioxide gas upside down on a plate of water constitutes an excellent demonstration of the solubility of gases. If the water level on the plate is maintained the CO[subscript 2] will slowly dissolve and the column of water will rise inside the glass, without quite reaching the ceiling, before an opposite process sets in:…
Descriptors: Physics, Water, Scientific Concepts, Science Experiments
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Shaw, C. Frank, III; Webb, James W.; Rothenberger, Otis – Journal of Chemical Education, 2016
The nature of acidic and basic (alkaline) oxides can be easily illustrated via a series of three straightforward classroom demonstrations for high school and general chemistry courses. Properties of carbon dioxide, sulfur dioxide, and magnesium oxide are revealed inexpensively and safely. Additionally, the very different kinetics of hydration of…
Descriptors: Secondary School Science, College Science, Chemistry, Science Education
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Babincáková, Mária – Journal of Chemical Education, 2020
Knowing the volume of evolved gases is helpful to select an optimal leavening agent for a particular application. The comparison of leavening agents, their reactions through the baking process in the modern and attractive way, is presented here. A gas pressure sensor probe was used to monitor the pressure change due to the carbon dioxide produced…
Descriptors: Science Instruction, Chemistry, Scientific Concepts, High School Students
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Binder, P.-M.; Foreman-Bunting, Kelsey D.; Whitney, Zoë A.; Leach, Allison M.; Dukes, Elizabeth S.; Galloway, James N. – Physics Teacher, 2020
Our aim in this paper is to describe an opportunity for physics students and faculty to learn about an environmental issue of much current interest: the quantification, or footprint analysis, of carbon dioxide (CO[subscript 2]) and reactive nitrogen emissions. These can originate from human activities such as energy use, food consumption, and…
Descriptors: Climate, Physics, Science Teachers, College Students
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Macalalag, Augusto Z.; Johnson, Joseph; Lai, Michelle – Cultural Studies of Science Education, 2020
Socioscientific Issues (SSI) provide a strong framework for engaging students and teachers in meaningful and relevant scientific discourse in the development of functional scientific literacy. However, while most teachers recognize the value of introducing students to SSI, they themselves have limited knowledge of SSI and often lack the confidence…
Descriptors: Science and Society, Teacher Competencies, Classroom Techniques, Preservice Teachers
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Utgikar, Vivek P.; MacPherson, David – Journal of Chemical Education, 2016
Students in the undergraduate "transport phenomena" courses typically have a greater difficulty in understanding the theoretical concepts underlying the mass transport phenomena as compared to the concepts of momentum and energy transport. An experiment based on dissolution of carbon dioxide in water was added to the course syllabus to…
Descriptors: Undergraduate Students, Scientific Concepts, Kinetics, Scientific Principles
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Mohamed, Azmi; Eastoe, Julian – School Science Review, 2011
This article describes the work being undertaken to make more use of supercritical carbon dioxide as a green solvent. It discusses how the use of surfactants can address the limitations of supercritical CO[subscript 2] in dissolving solutes that are polar and of higher molecular weight. The design of appropriate hydrocarbon CO[subscript 2]-philic…
Descriptors: Inhalants, Chemistry, Science Education, Foreign Countries
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