All Categories (21-40 of 178)

1. Light Emitting Diodes

   Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Sam Levenson, James J Marti

   This module demonstrates the concepts of semiconductor band gaps and the quantum nature of light using readily available and inexpensive LEDs.  It uses a simple fact which surprises many students – LED can detect light (i.e., act as small solar cells) as well as generate light. The...

2. Memory Metals

   Teaching Materials | 29 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Matthew Shultz, Deb Newberry, James J Marti

   This module explores the properties of shape memory alloys, commonly called “memory metals”.  These alloys, when made into wires or thin structures, exhibit the shape memory effect: if bent or deformed, the metal will revert to its original shape upon heating. This module...

3. Materials Matching Mixer Activity

   Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau

   This materials-themed ice breaker activity is great for the first day of a camp program to get students thinking about basic material properties, as well as talking to each other and speaking out loud in front of the group.  The name of a common engineering material (steel, rubber, concrete,...

4. Pineapple Packaging Design Challenge

   Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau

   This activity asks students to work in teams to consider the pros and cons of different materials as a container for cut pineapple (metal can plastic jar, glass jar).  It reinforces the differences between different categories of material, weighing conflicting factors to reach a design...

5. Engineering Communication with Tinker Toys

   Teaching Materials | 29 Jun 2020 | Contributor(s):: Amber Genau

   This resource describes three variations on an engineering communication activity using Tinker Toys.  In the main activity, small groups of students are given a bag of Tinker Toys and instructed to build anything they like.  They are then asked to write down building instructions for...

6. Micelas (Micelles)

   Teaching Materials | 16 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Lisa Siedman, Jeanette Mowery, James J Marti, Kyle Forgette, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)

   Este módulo introduce los conceptos de micelas y la concentración crítica de micelas (CMC, por sus siglas en inglés). Las micelas tienen aplicaciones importantes en la biotecnología. En ocasiones, se utilizan para llevar fármacos (drogas) a tejidos y...

7. Nano-concreto (Nanocrete)

   Teaching Materials | 16 Jun 2020 | Contributor(s):: kim Grady, Jim Marti (editor), Deb Newberry (editor), Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor), Nano-Link Center for Nanotechnology Education

   Este módulo le presenta a los estudiantes la nanotecnología, procesos y métodos que están siendo probados por la industria para preparar productos y sistemas cementosos fuertes y livianos. El módulo lleva al estudiante a través del procesamiento de un...

8. Spectrophotometry of Metal Nanoparticles

   Teaching Materials | 16 Jun 2020 | Contributor(s):: Chris Kaus, James J Marti, NNCI Nano

   This activity has students chemically synthesize gold and silver nanoparticles, measure the spectra of light absorption and transmission by these particles, compare these spectra to those of known-sized particles, and then estimate the size distribution of the particles they have made. By using...

9. Celdas Solares con Tintes Fotosensibles (Dye-Sensetized Solar Cells)

   Teaching Materials | 16 Jun 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Frank Fernandes, Rodfal Alberto Rodriguez (editor), María Teresa Rivera (editor)

   Este módulo trabaja con la fabricación de una celda solar con tinte fotosensible (“DSC”, por sus siglas en inglés). Una “DSC” es, esencialmente, una celda foto-electroquímica; significa que una reacción química foto-inducida...

10. Simulating a Controlled Drug Delivery System

    Teaching Materials | 11 Jun 2020 | Contributor(s):: Rebekah Ravgiala, NNCI Nano

    In this activity, students will learn about alternative drug delivery methods and then prepare a controlled drug delivery system using sodium alginate and glucose to mimic the behavior of a controlled release drug delivery system. The purpose of this investigation is to model a controlled drug...

11. Efficiency of Nitinol Wire

    Teaching Materials | 11 Jun 2020 | Contributor(s):: John Nice, NNCI Nano

    This lab activity focused on nitinol or muscle wires  which are shape memory alloys. These wires can be used to lift a weight up a height. Students will explore how the work performed lifting a load with the nitinol wire compares to the energy pumped into the wire by an electrical current....

12. Supermarket Science: Investigating Genetically Modified Organisms (GMOs)

    Teaching Materials | 06 May 2020 | Contributor(s):: Samantha Andrews, NNCI Nano

    In this activity, students will use mock gel electrophoresis data to identify some common organisms that have been genetically modified. Gel electrophoresis is a technique that separates DNA, according to size, using an electric field. Students are introduced to the process by watching a...

13. When a Cell Talks, Everyone Listens!

    Teaching Materials | 06 May 2020 | Contributor(s):: Nicole Harper, NNCI Nano

    This is a two part lesson focused on diffusion and cell communication.  In Part 1, students will use the classic starch iodine diffusion activity. This activity can be done in any life science class. It can be used as an introduction to diffusion or as a refresher activity for advanced...

14. Investigating the History of Biotechnology

    Teaching Materials | 06 May 2020 | Contributor(s):: Samantha Andrews, PhD, NNCI Nano

    This activity examines the history of biotechnology from 1920 to present day and its impact on human health. Students rotate through a series of ten stations to read about biotechnology achievements over the decades and answer questions at each station. The activity can be done similar to a web...

15. Superhidrofobicidad: Un balance Entre Fuerzas (Superhydrophobicity: A Balance Between Forces)

    Teaching Materials | 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,...

16. Razón área Superficial a Volumen (Surface Area to Volume Ratio)

    Teaching Materials | 25 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley, Rodfal A. Rodríguez (editor), María T. Rivera (editor)

    Este módulo consta de una actividad simple que trabaja uno de los aspectos más profundos de la nanociencia: que, para un volumen dado de material, el área superficial total aumenta de forma no lineal a medida que el volumen se divide en partes cada vez más...

17. Celdas Unitarias y Estructuras de Cristal (Unit Cells and Crystal Structures)

    Teaching Materials | 25 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Kristi Jean, Deb Newberry (editor), Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)

    En este módulo, los estudiantes preparan una solución saturada con bórax, acetato de sodio y sulfato de cobre. Al secarse, cada cristal tendrá una forma diferente. La forma que observamos en un cristal (a escala macro) depende de cómo están arreglados...

18. Polímeros de Anillo (Ring Polymers)

    Teaching Materials | 24 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, NISE Net, Rodfal A. Rodríguez (editor), María T. Rivera (editor)

    Este módulo es una variación de la actividad sobre los polímeros entrecruzados o reticulados y presenta mucho del mismo trasfondo de la estructura y propiedades de los polímeros.  En esta versión se utiliza una forma de poliacrilato de sodio con una...

19. El Método Científico (Scientific Method)

    Teaching Materials | 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...

20. Interferencia de Capas Finas (Thin Films)

    Teaching Materials | 24 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Christopher Kumm, Jim Marti (editor), Rodfal A. Rodríguez (editor), María T. Rivera (editor)

    En este módulo, los estudiantes aprenderán sobre las propiedades ópticas de las capas finas. Realizarán un experimento en el que aplicarán una capa fina sobre un pedazo de papel de cartulina o de construcción. De esta forma podrán observar...