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Ho, Karen; Svidinskiy, Boris S.; Smith, Sahara R.; Lovallo, Christopher C.; Clark, Douglas B. – Chemistry Education Research and Practice, 2021
Community Service Learning (CSL) is an experiential learning approach that integrates community service into student projects and provides diverse learning opportunities to reduce interdisciplinary barriers. A semester-long chemistry curriculum with an integrated CSL intervention was implemented in a Canadian university to analyze the potential…
Descriptors: Service Learning, Water, Water Quality, Chemistry
Ke-Hai Yuan; Zhiyong Zhang – Grantee Submission, 2022
Structural equation modeling (SEM) is a widely used technique for studies involving latent constructs. While covariance-based SEM (CB-SEM) permits estimating the regression relationship among latent constructs, the parameters governing this relationship do not apply to that among the scored values of the constructs, which are needed for…
Descriptors: Psychometrics, Structural Equation Models, Scores, Least Squares Statistics
Balbag, Mustafa Zafer – International Journal of Instruction, 2018
States of matter are structures that we may easily encounter in the universe as well as our close environment. The plasma state is the fourth state of matter, and it has much different properties in comparison to the solid, liquid and gas states of matter. In order to understand the universe and the environment we live in better, one needs to have…
Descriptors: Preservice Teachers, Science Teachers, Science Curriculum, Foreign Countries
Gaquere-Parker, Anne C.; Hill, Patricia S.; Haaf, Michael P.; Parker, Cass D.; Doles, N. Allie; Yi, Amanda K.; Kaminski, Todd A. – Journal of Chemical Education, 2017
Generating enthusiasm among nonscience majors in a laboratory course is a difficult task. Often, students are asked to perform a precipitation reaction, only to collect and then safely dispose of the solid without detailing composition, properties, or uses. In an effort to keep the students engaged, this laboratory exercise presents an innovative…
Descriptors: Science Instruction, Science Laboratories, College Science, Hands on Science
Nakano, Masayoshi; Ogasawara, Haruka; Wada, Takeshi; Koga, Nobuyoshi – Journal of Chemical Education, 2016
This paper reports on a learning program designed for high school chemistry classes that involves laboratory exercises using household oxygen bleaches. In this program, students are taught the chemistry of oxygen bleaches through a stepwise inquiry using laboratory exercises organized with different pedagogical intents. Through comparative…
Descriptors: High Schools, Secondary School Science, Science Instruction, Science Laboratories
Ng, Oi-Lam; Shi, Lian; Ting, Fridolin – International Journal of STEM Education, 2020
Background: This paper compares the effects of two classroom-based technology-enhanced teaching interventions, conducted in two schools in sixth (age 11-12) grade. In one school, the intervention involves the use of a class set of 3D Printing Pens, and in another school the use of dynamic geometry environments, for inquiry-based learning of the…
Descriptors: Geometry, Mathematics Instruction, Pretests Posttests, Teaching Methods
Lott, Kimberly; Wallin, Lynn – Science Activities: Classroom Projects and Curriculum Ideas, 2012
Scientific modeling along with hands-on inquiry can lead to a deeper understanding of scientific concepts among students in upper elementary grades. Even though scientific modeling involves abstract-thinking processes, can students in younger elementary grades successfully participate in scientific modeling? Scientific modeling, like all other…
Descriptors: Social Studies, Scientific Concepts, Science Activities, Science Instruction
Fazio, Claudio; Guastella, Ivan; Tarantino, Giovanni – European Journal of Physics, 2009
A problem-based approach to the teaching of mechanical wave propagation, focused on observation and measurement of wave properties in solids and on modelling of these properties, is presented. In particular, some experimental results, originally aimed at measuring the propagation speed of sound waves in metallic rods, are used in order to deepen…
Descriptors: Problem Based Learning, Science Instruction, Scientific Principles, Mechanics (Physics)
Veronese, Guido; Pepe, Alessandro – Research on Social Work Practice, 2013
Objective: Professional social workers and emergency workers operating in war contexts may develop posttraumatic stress disorder (PTSD) following exposure to traumatic events. Impact of trauma must be accurately assessed by researchers via robust models of measurement. In this article, measurement models for the 13-item Children's Revised Impact…
Descriptors: Violence, Military Personnel, Military Service, Posttraumatic Stress Disorder
Hawthorne, Frank; Buchman, Aaron L. – MATYC Journal, 1976
Properties of solids generated by the rotation of some of the well-known solids about given axes are discussed. (DT)
Descriptors: Calculus, College Mathematics, Geometric Concepts, Higher Education
Peer reviewed
Poncini, Laurence; And Others – Australian Science Teachers Journal, 1995
Describes the construction and operation of an apparatus used to study the optical properties of solids using reflection. (JRH)
Descriptors: Foreign Countries, Light, Optics, Science Activities
Peer reviewed
Rollino, J. A.; Aronson, S. – Journal of Chemical Education, 1972
A simple experiment is proposed that can provide the student with some insight into the chemical properties of solids. It also demonstrates the relationship between the Gibbs free energy of formation of an ionic solid and the emf of an electrochemical cell. (DF)
Descriptors: Chemistry, College Science, Electricity, Instructional Materials
Ozmen, Haluk; Kenan, Osman – Asia-Pacific Forum on Science Learning and Teaching, 2007
This study was conducted to determine 4th, 5th, and 6th grade Turkish primary students' conceptions about the particulate nature of matter via a test. The test consists of 36 items related to the changes of microscopic properties of solid, liquid and gas matters during phase changing, cooling, heating and pressing of them. The sample of the study…
Descriptors: Scientific Concepts, Grade 6, Grade 5, Grade 4
Peer reviewed
Pedersen, Jean J. – Mathematics Teacher, 1976
The use of paper folding to study properties of geometric solids is discussed. (SD)
Descriptors: Curriculum, Geometric Concepts, Geometry, Instruction
Fernández-León, Aurora; Gavilán-Izquierdo, José María; González-Regaña, Alfonso J.; Martín-Molina, Verónica; Toscano, Rocío – Mathematics Education Research Journal, 2021
In this paper, we study how undergraduate students define 3D geometrical solids. With this aim, we have identified the routines that are present in the discourse of the students when describing and defining these solids. These routines are one of the properties that characterise the mathematical discourse in the theory of commognition (Sfard…
Descriptors: Undergraduate Students, Mathematics Skills, Geometric Concepts, Definitions