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Journal Article
Ionic bonding is a fundamental topic in high school chemistry, yet it continues to be a concept that students struggle to understand. Even if they understand atomic structure and ion formation, it can be difficult for students to visualize how ions f...
Journal Article
Teaching the anatomy of the muscle system to high school students can be challenging. Students often learn about muscle anatomy by memorizing information from textbooks or by observing plastic, inflexible models. Although these mediums help students ...
Journal Article
This article presents an engaging activity in which high school students use a dichotomous key to guide the creation and classification of model insects from recycled plastic lids and containers. Besides teaching the use of a dichotomous key and the ...
Journal Article
Reflections on Czech Science Teaching
International comparisons help us explore the assumptions made about U.S. schools, students, and pedagogy. That is why the author decided to spend five months in the Czech Republic teaching science education courses at Palacky and Ostrava Universitie...
Journal Article
Teaching Science to Students from Rural Mexico
George Roberts has been teaching ninth-grade Earth science in Gardston, Iowa, for 10 years. This year, as chair of the Gardston High School’s science department, he agreed to have all the English Language Learner (ELL) students assigned to his clas...
Journal Article
Using Japanese Lesson Design to ANTicipate an Invasion on Maui
Native ant species do not exist on the island of Maui, the second largest of the Hawaiian Islands. However, one ant, the little fire ant (LFA or Wasmannia auropunctata) has recently appeared in the region, being discovered on the Big Island of Hawaii...
Journal Article
Commentary: Looking Back—A Nation at Risk and National Standards
Looking back, we were a nation at risk in the early 1980s, and, looking around, we still are. As the pace of global change and technological innovation increase, preparing our students for their adult lives is like hitting a moving target. We are not...
Journal Article
The Prepared Practitioner: Constructivism and Conceptual Change, Part II
As complex and theoretical as constructivist principles sounds, classroom application often boils down to two precepts. First, learning is an active process—it does not happen passively. Learners need to mentally process new ideas to assimilate or...
Journal Article
Science Teaching and International Assessments
This article is an introduction to the international assessments Programme for International Student Assessment (PISA) and the Trends in International Mathematics and Science Study (TIMSS) and a review of results from 2003. International comparisons,...
Journal Article
Career of the Month: An Interview with Green Product Chemist Andy Chen
Green chemistry is the design of chemical products and processes that reduce, recycle, or eliminate the use of generation of hazardous substances. The fundamental idea of green chemistry is that the designer of a chemical is responsible for consider...
Journal Article
The study of electricity in general science or physics is fascinating for students. Unfortunately, a number of electrical dangers exist in the laboratory that are applicable to all types of science including biology, chemistry, physics, and Earth sci...
Journal Article
In this month’s column, the experts address the following questions: If you are in a car traveling at the speed of light, what would you observe if you turned on the headlights? and Given that absolute zero is the lower limit to temperature, a theo...