Earthbound manifestations of gravity in falling objects are distorted by the large mass and size of the Earth. Movement is also affected by air resistance. This article questions whether an approach based on everyday observations is necessarily the best starting point for introducing the idea of Newtonian gravity. Instead, a theoretical approach…

Scientific literacy is one of the basic competencies that must be possessed in the XXI century. These competencies include explaining scientific phenomena, designing and evaluating scientific investigations, and interpreting scientific data and facts. These three competency indicators must be embedded in students to help them to solve problems and…

Nationwide pre- and posttesting of introductory courses with the Geoscience Concept Inventory (GCI) shows little gain for many of its questions. Analysis of more than 3,500 tests shows that 22 of the 73 GCI questions had gains of <0.03, and nearly half of these focused on basic physics and chemistry. We also discovered through an assessment of…

Heat transfer is widely taught in secondary Earth science and physics. Researchers have identified many misconceptions related to heat and temperature. These misconceptions primarily stem from hunches developed in everyday life (though the confusions in terminology often worsen them). Interactive computer simulations that visualize thermal energy,…

This article describes the rationale for, and development of, an online instrument that helps identify commonly held science misconceptions. Science Beliefs is a 47-item instrument that targets topics in chemistry, physics, biology, earth science, and astronomy. It utilizes a true or false, along with a written-explanation, format. The true or…

Reports on students' preexisting knowledge and examines misconceptions among nonscience major undergraduate students. Focuses on evaluating results of misconceptions in selected astronomy courses. (YDS)

Presents a study where astronomy teachers (n=66) try to predict student (n=330) outcomes on astronomy and related topics pre- and posttest. Suggested findings include a course in astronomy did not result in an overall knowledge gain, teachers fared well at predicting prior student knowledge, and teachers vastly overestimated student gain in…

Describes the "Physics by Inquiry" course that is designed to address student misconceptions. Explains how the course was taught at the University of North Carolina at Greensboro for teachers and how it was taught at Ohio State University for elementary-education majors. Concludes the course is exportable to many different environments…

Two classroom studies, one conducted in the spring of 1985 and the second in the spring of 1986, showed that many high school students do not differentiate between heat and temperature; instead, they have a single concept that contains some of the features of heat and some of the features of temperature. Because the distinction between these two…

The concept of the density of a material has an important role in elementary and secondary school science curricula, but it is a difficult concept to grasp. This project explores why this should be and whether there are some simpler, more accessible notions which can serve as the basis for building a concept of density in students' minds during…

This uniquely comprehensive and current survey of the research in science education has been compiled by the most prominent experts in the field. More than a summary of findings, the content of this comprehensive single volume provides an assessment of the significance of research; evaluates new developments; and examines current conflicts,…