Plans are under way to redefine the International System of Units (SI) around 2018. The new SI specifies the values of certain physical constants to define units. This article explains the new SI in order to provide a resource for high school teachers as well as for advanced students already familiar with the pre-2018 SI.

Cross-connections between the sciences and mathematics are emphasized through the Next Generation Science Standards and the Common Core State Standards in the United States. One topic that is a common bridge between math and science is the concept of measurement and unit conversions in the metric/English system. This article uses a mixed-methods…

Vignette design has been largely neglected in anchoring vignette studies. This study aimed to contribute to the science of vignette design by developing and evaluating vignettes for measuring vision in rural China. Cognitive interviews were conducted among 36 participants in a Chinese middle school. The respondents either directly evaluated vision…

Following a sociocultural perspective, this study investigates how students who have grown up using the SI (Systeme International d'Unites) (metric) or US customary (USC) systems of units for everyday use differ in their knowledge of scale and measurement. Student groups were similar in terms of socioeconomic status, curriculum, native language…

Metric scale is an important concept taught as part of science curricula across different countries. This study explored metric and relative (body-length) scale concepts of inservice ("N"?=?92) and preservice ("N"?=?134) teachers from Austria, and Taiwan, and their concepts were compared with those of teachers from the USA.…

Today's society is characterized by a plurality of cultures in such a way that a person will often interact and interrelate with new cultures. The situation becomes even more complicated when one has to adapt to a new culture for a short period of time (travel or study visit) or a long period of time (new work place, emigration etc.). Any…

Education leaders across the country confront a growing challenge: too many students are not college ready when they leave high school. Although indicators exist to identify students at risk of dropping out of high school, few indicators of students' college readiness are currently in place, and few districts have linked indicators to practices…

The report presents data and discussion on U.S. education across sectors, as well as the work of the Office of Education. Among topics covered are education-equalization programs, including desegregation assistance, civil rights advisory services, education of disadvantaged children, grants to local education agencies, migrant children, neglected…