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Crystal-free Zone in a Glass-Ceramic Dish
28 May 2019 | | Contributor(s):: Adam Powell
Estimate the thickness of the crystal-free surface layer in a glass-ceramic dish by relating a heat equation solution to the T-T-T diagram.
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El Método Científico (Scientific Method)
24 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Deb Newberry (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Utilizando el pez de celofán, los estudiantes aprenden y ponen en práctica el método científico. Observando, proponiendo y experimentando, los estudiantes ponen a prueba varias hipótesis del por qué el pez se dobla hacia arriba, se enrolla o no hace...
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Exploring the Properties of Magic Sand
13 Jan 2020 | | Contributor(s):: Amy Brunner, Nancy Healy, NNCI Nano
This lesson uses a hydrophobic material called Magic Sand to: 1. Explore the properties of molecular bonding; 2. Introduce students to the engineering of hydrophobic surfaces; and 3. Demonstrate the concepts of hydrophobic and hydrophilic behavior. It is suitable for high school students in...
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How Dry am I? Exploring Biomimicry and Nanotechnology
01 Dec 2016 | | Contributor(s):: Elizabeth Davenport, Nancy Healy, NNCI Nano
Through a series of activities, students will explore superhydrophobic properties of materials. This inquiry based lesson leads them through activities that has them compare and contrast physical properties of superhydrophobic coated materials with uncoated materials. In the process they will...
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NNCI Outreach Demonstration Guide
10 Feb 2020 | | Contributor(s):: Nancy Healy, NNCI Nano
This compendium of demonstrations includes 17 activities that can be used to demonstrate topics to students and the general public. They are useful for science festivals, family science nights, and science cafes. ...
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Scientific Method
16 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Deb Newberry (editor)
In this module, students will use cellophane “fortune telling” fish to walk through the scientific method. The students learn and practice the scientific method by proposing, testing and observing what happens with their "fish". Students will test various...
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Superhidrofobicidad: Un balance Entre Fuerzas (Superhydrophobicity: A Balance Between Forces)
25 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Kristi Jean, Deb Newberry (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)
Este módulo demuestra y provee a los estudiantes un entendimiento de las fuerzas presentes en las interacciones hidrofóbicas e hidrofílicas. El balance entre las fuerzas cohesivas y adhesivas tiene como resultado una gota de agua casi esférica sobre una superficie,...
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Superhydrophobicity: A Balance Between Forces
16 Apr 2020 | | Contributor(s):: Nano-Link Center for Nanotechnology Education, Thomas Deits, Kristi Jean, Deb Newberry
This module demonstrates and gives students an understanding of the forces behind hydrophobic and hydrophilic interactions. The balance between cohesive and adhesive forces results in an almost spherical drop of water standing on a surface, such as a lotus leaf. This effect is called...
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To See or Not to See? Hydrophobic and Hydrophilic Surfaces
03 Dec 2020 | | Contributor(s):: Jenny Willis, NNCI Nano
This activity can be completed as a separate one or in conjunction with the lesson Superhydrophobicexpialidocious: Learning about hydrophobic surfaces found at: https://www.nnci.net/node/5895. The activity is a visual demonstration of the difference between hydrophobic and hydrophilic...
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Wet Etching in Nanofabrication
11 Jan 2017 | | Contributor(s):: Manuel Casillas, NNCI Nano
This lab will help students understand how chemical reactions are used to create the specific shapes on surfaces of crystalline materials, which make up functional components within electronics. The fabrication of electronic devices is now reaching into the nanoscale with the capability of more...