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Title: Forces and Interactions
Url: http://www.nano-link.org/educator-resources/browse-our-nanotech-curri...
Publisher: Dakota County Technical College
Description: Although the purist will state that there are four forces, when explaining observed phenomena at the nanoscale it is very useful to include interactions such as ionic and covalent bonding, hydrogen bonds, Brownian motion, van der Waals forces, thermal vibration, rotation , adhesive and cohesive forces and subcategories of these interactions. Often, the effect of what is observed at any scale (macroscale to nanoscale) is dependent upon the priorities of these forces. For example the interaction between planets is driven by the gravitational force because of the large mass of the objects, The strength of the interaction of planets due to the electrostatic forces exists, but is very small -- overshadowed by the gravitational forces. The opposite is often true at the nanoscale, atoms and molecules are significantly impacted by electrostatic forces - and because of the small mass, minimally impacted by gravitational attraction. So it is just a matter of which force or interaction is the top interaction for any given situation. These modules use many different activities which allow students to evaluate the priority of different forces and interactions with different materials and at different scales.
LC Classification: Technology -- Technology (General) -- Technical education. Technical schools
Technology -- Technology (General) -- Nanotechnology
Technology -- Engineering (General). Civil engineering -- Engineering (General). Civil engineering (General) -- Materials of engineering and construction -- Materials of special composition or structure, A-Z -- Nanostructured materials
Science -- Physics -- Force and energy (General) -- Study and teaching. Research
Science -- Physics -- Force and energy (General)
Science -- Physics -- Atomic physics. Constitution and properties of matter
GEM Subject: Vocational Education -- Technology
Vocational Education -- Tech prep
Vocational Education -- Instructional issues
Science -- Technology
Science -- Physics
Science -- Instructional issues
Key Concept: Physics -- Matter
Physics -- Force
Manufacturing -- Nanofabrication
Key Concepts Complete: Yes
Resource Type: Instructional Materials
Overviews
Reading Materials
Science Materials
Teaching Guides
Text (DCMI Type Vocabulary)
Format: html
Audience: College/University Instructors
Higher Education
Secondary Education
Students
Teachers
Technical School First Cycle
University First Cycle
Vocational Training
Language: English
Rights: Nano-Link Partners
Access Rights: Free access
Date Of Record Release: 2012-10-04 11:21:22 (W3C-DTF)
Date Last Modified: 2012-10-04 11:21:22 (W3C-DTF)
Source Type: ATE Center
Source: Midwest Regional Center for Nanotechnology
Full Record Views: 28
Resource URL Clicks: 2
Cumulative Rating: NOT YET RATED
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