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Goes, Luciane F.; Nogueira, Keysy S. C.; Fernandez, Carmen – Problems of Education in the 21st Century, 2020
Redox reactions are considered one of the most difficult chemistry subjects to teach and learn. However, this is an important content that permeates several topics and includes many everyday life-related phenomena. To understand the teaching and learning difficulties of the 'redox reactions' topic, a systematic literature review was conducted.…
Descriptors: Science Instruction, Chemistry, Scientific Concepts, Concept Formation
Campbell, Todd; Oh, Phil Seok; Maughn, Milo; Kiriazis, Nick; Zuwallack, Rebecca – EURASIA Journal of Mathematics, Science & Technology Education, 2015
The current review examined modeling literature in top science education journals to better understand the pedagogical functions of modeling instruction reported over the last decade. Additionally, the review sought to understand the extent to which different modeling pedagogies were employed, the discursive acts that were identified as important,…
Descriptors: Science Education, Periodicals, Teaching Methods, Models
Tang, Sherry – NCSSSMST Journal, 2012
Plasticizers are chemical additives that enhance plastic flexibility. They are ubiquitous environmental contaminants and are commonly found in river and lake waters (Fromme et al 2002). The present study aimed to investigate the effects of a water-soluble plasticizer, dibutyl phthalate (DBP) on developing Medaka ("Oryzias latipes") embryos. Three…
Descriptors: Developmental Delays, Developmental Stages, Science Education, Science Experiments
Zhang, Shuping – Biochemistry and Molecular Biology Education, 2008
Molecular biology techniques play a very important role in understanding the biological activity. Students who major in biology should know not only how to perform experiments, but also the reasons for performing them. Having the concept of conducting research by integrating various techniques is especially important. This paper introduces a…
Descriptors: Research Projects, Research Methodology, Molecular Biology, Research Skills
Clotfelter, Ethan D.; Hollis, Karen L. – American Biology Teacher, 2008
Cognition is a general term describing the mental capacities of an animal, and often includes the ability to categorize, remember, and communicate about objects in the environment. Numerous regions of the telencephalon (cerebral cortex and limbic system) are responsible for these cognitive functions. Although many researchers have used traditional…
Descriptors: Animals, Object Permanence, Cognitive Processes, Memory
Labassi, Tahar – Reading Matrix: An International Online Journal, 2009
The restricted time allocated to courses and the immediate need to read literature in English necessitates the teaching of selective reading in many English as a foreign language contexts. This paper reports on one element of an expeditious (quick, effective, efficient and selective) reading course for learners in an English for Academic Purposes…
Descriptors: Foreign Countries, English (Second Language), Second Language Learning, English for Science and Technology

Johnson, Eric R.; Alter, Paula – Journal of Chemical Education, 1989
Described is an experiment in which the student can ascertain the meaning of a negative result from a qualitative test by performing a more sensitive quantitative test on the same sample. Methodology for testing urinary glucose with a spectrophotometer at 630 nm and with commercial assaying glucose strips is presented. (MVL)
Descriptors: Biochemistry, Chemical Analysis, Chemical Reactions, Chemistry

Tinnesand, Michael; Chan, Alan – Science Teacher, 1987
Argues that cookbook chemistry laboratory experiments do little to teach scientific inquiry. Suggests providing students with laboratory experiences that follow the introduction of a concept and challenge students to investigate that concept through an experiment involving very few initial instructions. Lists some such challenges used in chemistry…
Descriptors: Chemistry, Inquiry, Laboratory Procedures, Learning Processes