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Journal Cover The Science Teacher

February 2016

Nanoscience development affects almost every discipline of science, engineering, and technology. Not surprisingly, “the science of small” is also finding its way into science classrooms. In general, nano refers to a billionth of a meter—about 1/50,000 the width of a hair follicle. The term nanoparticle usually refers to small materials with a size of between 1 and 100 nanometers (nm). Because nanoparticles are so small, they have a greater surface-area-to-volume ratio, causing them to be more reactive than larger particles and useful for various applications. Nanoscience is just one of many activities and investigations covered in this issue, which also looks at wildlife cover boards, using socio-scientific issues to teach argumentation, and finding patterns in chemical compounds.

Free Articles in this Journal: 2  (View Articles)

Articles for Purchase in this Journal: 10  (View Articles)
Journal Cover The Science Teacher

January 2016

Science is all about asking questions and constructing explanations, while engineering focuses on defining problems and designing solutions. Think of science as the quest for timeless truths and engineering as the search for design solutions to problems rooted in a particular time and situation. To be sure, there is overlap. Scientists often must complete engineering tasks such as designing experimental apparatus and testing prototypes, and engineers sometimes explore new phenomena and develop scientific models. In our schools we need to educate students about engineering careers, especially our young women, who are dramatically underrepresented in engineering fields. We cannot waste precious human capital by creating another generation of students who can say, “I have no idea what an engineer is.”

Free Articles in this Journal: 2  (View Articles)

Articles for Purchase in this Journal: 11  (View Articles)