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Carmel, Justin H.; Herrington, Deborah G.; Posey, Lynmarie A.; Ward, Joseph S.; Pollock, Amy M.; Cooper, Melanie M. – Journal of Chemical Education, 2019
Over the past 20 years research on reform efforts aimed at the chemistry laboratory has focused on different aspects of students' experiences including increasing content knowledge, improving student attitudes toward chemistry, incorporating inquiry activities, and providing students a hands-on experience related to the chemistry concepts learned…
Descriptors: Chemistry, Science Instruction, Teaching Methods, Educational Change
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Sigmann, Samuella B. – Journal of Chemical Education, 2018
Over the past 20 years 164 children and educators have been reported as injured in demonstrations using flammable solvents. The injuries were the result of flash fires, flame jets, and projectiles which occurred once control was lost by the presenter. "The rainbow demonstration" using methanol as the solvent has by far been the most…
Descriptors: Chemistry, Science Instruction, Elementary Secondary Education, Science Teachers
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Reed, Jessica J.; Brandriet, Alexandra R.; Holme, Thomas A. – Journal of Chemical Education, 2017
Recent efforts to reform K-12 science curricula, embedded within the "NRC Framework for K-12 Science Education" and the "Next Generation Science Standards," have focused on unifying core disciplinary content with crosscutting concepts that span across science disciplines and scientific practices. With these reforms comes the…
Descriptors: Science Education, Chemistry, Elementary Secondary Education, Science Tests
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Cybulskis, Viktor J.; Ribeiro, Fabio H.; Gounder, Rajamani – Journal of Chemical Education, 2016
A versatile and transportable laboratory apparatus was developed for middle and high school (6th-12th grade) students as part of a hands-on outreach activity to estimate catalytic rates of hydrogen peroxide decomposition from oxygen evolution rates measured by using a volumetric displacement method. The apparatus was constructed with inherent…
Descriptors: Hands on Science, Science Instruction, Chemistry, Science Activities
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Lumetta, Gregg J.; Arcia, Edgar – Journal of Chemical Education, 2016
A novel smartphone microscope can be used to observe the dissolution and crystallization of sodium chloride at a microscopic level. Observation of these seemingly simple phenomena through the microscope at 100× magnification can actually reveal some surprising behavior. These experiments offer the opportunity to discuss some basic concepts such as…
Descriptors: Investigations, Handheld Devices, Laboratory Equipment, Physical Sciences
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Brandriet, Alexandra; Reed, Jessica J.; Holme, Thomas – Journal of Chemical Education, 2015
The release of the "NRC Framework for K-12 Science Education" and the "Next Generation Science Standards" has important implications for classroom teaching and assessment. Of particular interest is the implementation of science practices in the chemistry classroom, and the definitions established by the NRC makes these…
Descriptors: Investigations, Test Format, Item Analysis, Science Tests
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Kuntzleman, Thomas S. – Journal of Chemical Education, 2015
An activity is described wherein students observe dynamic floating and sinking behavior of plastic pieces in various liquids. The liquids and solids are all contained within a plastic bottle; the entire assembly is called a "density bottle". After completing a series of experiments that guides students to think about the relative…
Descriptors: Science Activities, Scientific Concepts, Scientific Principles, Science Experiments
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Rayner-Canham, Geoff; Rayner-Canham, Marelene – Journal of Chemical Education, 2015
Though guided-inquiry learning, discovery learning, student-centered learning, and problem-based learning are commonly believed to be recent new approaches to the teaching of chemistry, in fact, the concept dates back to the late 19th century. Here, we will show that it was the British chemist, Henry Armstrong, who pioneered this technique,…
Descriptors: Inquiry, Science Instruction, Teaching Methods, Educational History
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Talanquer, Vicente; Sevian, Hannah – Journal of Chemical Education, 2014
Science education frameworks and standards play a central role in the development of curricula and assessments, as well as in guiding teaching practices in grades K-12. Recently, the National Research Council published a new Framework for K-12 Science Education that has guided the development of the Next Generation Science Standards. In this…
Descriptors: Science Instruction, Chemistry, Academic Standards, Elementary Secondary Education
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Kim, Philseok; Alvarenga, Jack; Aizenberg, Joanna; Sleeper, Raymond S. – Journal of Chemical Education, 2013
A visual demonstration of the difference between hydrophilic and hydrophobic surfaces has been developed. It involves placing a shadow mask on an optically clear hydrophobic plastic dish, corona treating the surface with a modified Tesla coil, removing the shadow mask, and visualizing the otherwise invisible message or pattern by applying water,…
Descriptors: Chemistry, Science Instruction, College Science, Water
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Selco, Jodye; Bruno, Mary; Chan, Sue – Journal of Chemical Education, 2013
Understanding how the periodic table of elements is organized and how to read information from it is fundamental for understanding chemistry. Introductory chemistry courses usually include discussions detailing what elemental information can be determined by virtue of its position on the periodic table. Although many people have been exposed to…
Descriptors: Chemistry, Hands on Science, Tables (Data), Science Instruction
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Hadenfeldt, Jan C.; Bernholt, Sascha; Liu, Xiufeng; Neumann, Knut; Parchmann, Ilka – Journal of Chemical Education, 2013
Helping students develop a sound understanding of scientific concepts can be a major challenge. Lately, learning progressions have received increasing attention as a means to support students in developing understanding of core scientific concepts. At the center of a learning progression is a sequence of developmental levels reflecting an…
Descriptors: Elementary School Science, Secondary School Science, Science Instruction, Chemistry
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Miyauchi, Takuya; Kamata, Masahiro – Journal of Chemical Education, 2012
An educational demonstration shows the combustion of carbon to carbon dioxide and then the reduction of carbon dioxide to carbon. A melee diamond is the source of the carbon and the reaction is carried out in a closed flask. The demonstration helps students to realize that diamonds are made of carbon and that atoms do not change or vanish in…
Descriptors: Chemistry, Grade 8, Science Instruction, Middle School Students
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Frey, Christopher A.; Mikasen, Marjorie L.; Griep, Mark A. – Journal of Chemical Education, 2012
Movies and movie clips have been used by many instructors to teach chemistry. Entire movies based on true chemical stories are used because they provide students with a common experience after which instructors can launch writing lessons about the chemistry, the scientists, or engineers, or even postscripts to the story presented in the film. In…
Descriptors: Chemistry, Films, Science Instruction, Elementary School Science
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Kuntzleman, Thomas Scott; Rohrer, Kristen; Schultz, Emeric – Journal of Chemical Education, 2012
Lightsticks, or glowsticks as they are sometimes called, are perhaps the chemist's quintessential toy. Because they are easy to activate and appealing to observe, experimenting with lightsticks provides a great way to get young people interested in science. Thus, we have used lightsticks to teach chemical concepts in a variety of outreach settings…
Descriptors: Inorganic Chemistry, Thermodynamics, Physics, Demonstrations (Educational)
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