One of the most alarming impacts of projected climate change is a significant rise in sea level. Sea level has varied by hundreds of meters over geologic time, yet these changes have generally been slow paced, allowing ecosystems to adjust to changing land surface and marine habitats. Since the Industrial Revolution, anthropogenic emissions have…

This paper reports on an analysis of student conceptions in responses to explanation-type questions in a grade 12 (17-18 years) South African national physics examination. We were guided in our analysis of 921 examination scripts by a framework developed by Dagher and Cossman on types of explanations in science which enabled us to understand the…

For independent secondary schools who offer rigorous curriculum to attract students, integration of quantitative skills in the science courses has become an important definition of rigor. However, there is little research examining students' quantitative skills in relation to high school science performance within the single-sex independent school…

The purpose of this paper is to justify and reflect upon the way in which video technologies were employed in data generation for a study of student agency in a science classroom using discursive psychology. The research was designed with the purpose of providing new understanding of how students develop a sense of themselves as responsible agents…

The study explored the efficacy of four-step (4-E) learning cycle approach on students understanding of concepts related to Simple Harmonic Motion (SHM). 124 students (63 for experimental group and 61 for control group) participated in the study. The students' views and ideas in simple Harmonic Achievement test were analyzed qualitatively. The…

The purpose of the study is to investigate the effect of interaction between gender and grade level on secondary school students' attitudes toward chemistry as a school subject. The sample is composed of 197 students across Grades 9 to 11. The Attitude Scale Toward Chemistry, developed by Geban & Ertepinar (1994), is used to collect data.…

This study investigates the effect of physics education on students' achievement in a large-scale quantitative study of pre-academic high school students throughout the Netherlands. Two aspects of teacher characteristics as perceived by their students are included: "pleasantness" principally defined by their perceived friendliness and…

An assessment-oriented design-based research model was applied to existing inquiry-oriented multimedia programs in astronomy, biology, and ecology. Building on emerging situative theories of assessment, the model extends prevailing views of formative assessment "for" learning by embedding "discursive" formative assessment more directly into the…

The quantum computer game "Schrodinger cat and hounds" is the quantum extension of the well-known classical game fox and hounds. Its main objective is to teach the unique concepts of quantum mechanics in a fun way. "Schrodinger cat and hounds" demonstrates the effects of superposition, destructive and constructive interference, measurements and…

In the teaching of physics at upper secondary school level (K10-K12), the students are generally taught to solve problems analytically, i.e. using the dynamics describing a system (typically in the form of differential equations) to compute its evolution in time, e.g. the motion of a body along a straight line or in a plane. This reduces the scope…

Several studies came to the conclusion that chaotic phenomena are worth including in high school and undergraduate education. The double pendulum is one of the simplest systems that is chaotic; therefore, numerical simulations and theoretical studies of it have been given large publicity, and thanks to its spectacular motion, it has become one of…

This response to Rachel Muehrer, Jennifer Jenson, Jeremy Friedberg and Nicole Husain's paper, "Challenges and opportunities: Using a science-based video game in secondary school settings," explores the issues encountered while a science-based video game is introduced in secondary school settings. It highlights the importance of the context, the…

This paper is a response to Hoban and Neilsen's (2010) Five Rs model for understanding how learners engage with slowmation. An alternative model (the Learning MMAEPER Model) that builds on the 5Rs model is explained in terms of its use in secondary science preservice teacher education. To probe into the surface and deep learning that can occur…

A hands-on laboratory exercise at the general chemistry level introduces students to chemical equilibrium through a simulation that uses poker chips and rate equations. More specifically, the exercise allows students to explore reaction tables, dynamic chemical equilibrium, equilibrium constant expressions, and the equilibrium constant based on…

Research has shown that students in traditional college-preparatory chemistry courses become masters of mathematical equations without an understanding of the conceptual basis for the mathematical relationships. This problem is rooted not only in what curriculum is presented to students, but also in how it is experienced by the students. Ample…