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Sindhu, R. S.; Tanwar, Pramila – School Science Review, 2020
There has been widespread interest in the study of oxoacids of phosphorus owing to their characteristic structures and uses in various areas of daily life. In this article, a new strategy is recommended to determine their structures. This strategy will help to develop problem-solving skills and creativity among students. The strategy is based on…
Descriptors: Chemistry, Molecular Structure, Scientific Concepts, Science Instruction
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Ültay, Neslihan; Güngören, Seda Çavus; Ültay, Eser – School Science Review, 2017
Students often struggle to determine whether changes in matter are physical or chemical; for example, they may have difficulty labelling a candle melting as a physical change but a candle burning as chemical change. Here we describe a lesson that we used to integrate conceptual learning about physical and chemical changes using the…
Descriptors: Science Instruction, Chemistry, Scientific Concepts, Concept Formation
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Talbot, Christopher – School Science Review, 2017
This article aims to introduce the lanthanides (also known as the lanthanoids) to teachers and their students. The lanthanides are not mere "footnotes" at the bottom of the periodic table but make up a group of interesting and unique metallic elements. They and their compounds have widespread technological applications that have become…
Descriptors: Science Instruction, Educational Resources, Scientific Concepts, Scientific Literacy
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Ng, Pun-hon; Wong, Siu-ling; Mak, Se-yuen – School Science Review, 2012
In teaching the science of the nano world, ball-and-stick molecular models are frequently used as 3D representations of molecules. Unlike a chemical formula, a molecular model allows us to visualise the 3D shape of the molecule and the relative positions of its atoms, the bonds between atoms and why a pair of mirror isomers with the same atoms,…
Descriptors: Chemistry, Toys, Science Instruction, Molecular Structure
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Philip, Judith – School Science Review, 2013
The relationship between the structure and function of proteins is an important area in biochemistry. Pupils studying A-level Biology are introduced to the four levels of protein structure (primary, secondary, tertiary and quaternary) and how these can be used to describe the progressive folding of a chain of amino acid residues to a final,…
Descriptors: Secondary School Science, Biology, Biochemistry, Foreign Countries
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Simpson, Peter – School Science Review, 1988
Considered are the underlying ideas of nucleophilic substitution and some of the misconceptions regarding this topic. Discusses methods for teaching this topic and includes definitions for key ideas and terms. (Author/CW)
Descriptors: Chemical Reactions, Chemistry, College Science, Laboratory Procedures
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Simpson, Peter – School Science Review, 1989
The ideas behind electrophilic addition to alkenes, and electrophilic substitution in benzene derivatives are discussed. Teaching these concepts to secondary school students is stressed. Five main points useful at this age level are summarized. (Author/CW)
Descriptors: Chemical Bonding, Chemical Reactions, Laboratory Procedures, Misconceptions
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Marchant, G. W. – School Science Review, 1983
Suggests two methods of developing the study of the noble gases: first, the discovery of the elements and recent discovery of xenon show the human face of chemistry (historical development); second, the properties of noble gas compounds (particularly xenon) can be used to test the framework of conventional chemistry. (Author/JM)
Descriptors: Atomic Structure, Chemical Bonding, Chemical Reactions, Chemistry
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Simpson, Peter – School Science Review, 1989
Presents the mechanistic ideas underlying reactions between nucleophiles and carbonyl compounds as well as some popular misconceptions. Relates reactions of carboxylic acid derivatives to those of aldehydes and ketones. Discusses leaving group ability and the ability of carbonyl oxygen to accept a negative charge. (Author/MVL)
Descriptors: Chemical Bonding, Chemical Nomenclature, Chemical Reactions, Chemistry
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Paterson, W. G. – School Science Review, 1986
Describes a British secondary school's use of a spectrometer to identify minerals. Discusses the origins of mineral spectra, the preparation of the specimen, the actual spectroscopic scanning, and the interpretation of the spectra. (TW)
Descriptors: Chemical Analysis, Foreign Countries, Light, Mineralogy