All Categories (61-80 of 190)

1. Superhydrophobicity: A Balance Between Forces

   Teaching Materials | 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...

2. Surface Area to Volume Ratio

   Teaching Materials | 16 Apr 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Deb Newberry, Billie Copley

   This simple activity conveys one of the most profound aspects of Nanoscience – that for a given volume of material the total surface area increases non-linearly as the volume is divided into smaller and smaller pieces. This concept is being applied to creating better batteries and...

3. Multifaceted Microfluidics: Three simple methods to create a microfluidic device

   Teaching Materials | 07 Apr 2020 | Contributor(s):: Dixie Kullman, NNCI Nano

   This module is open-ended to allow for use in a number of classroom settings. The importance here is to permit the teacher to choose the technique provided and tailor the technique to the scientific principle. The students will create their own microfluidic devices and utilize their devices in...

4. Make a Microfluidic Device to Investigate Properties of Solutions

   Teaching Materials | 07 Apr 2020 | Contributor(s):: Greg Hair, NNCI Nano

   This lesson focuses on having students design and test a microfluidic device to investigate the properties of solutions. The lesson activities combine concepts learned in the previous semester (energy, frequency, wavelength, and bonding) together with the aforementioned concepts of solutions to...

5. Mystery Molecules: Identifying Materials with Nanoscale Characterization Tools

   Teaching Materials | 18 Mar 2020 | Contributor(s):: Maude Cuchiara, NNCI Nano

    In this lesson plan, students will be given several similar looking materials and asked to identify them by observing them at the macro and micro-scale. They will then be exposed to different analytical tools and describe how they can be used to explore materials at the nanoscale. ...

6. Introduction to Back Propagation

   Online Presentations | 13 Feb 2020 | Contributor(s):: Mauricio Segovia

7. Understanding Waveguides: Light at the Nanoscale

   Teaching Materials | 13 Feb 2020 | Contributor(s):: Marilyn Garza, NNCI Nano

   There are three lessons for this activity that help students understand how light can travel through a waveguide for communication purposes. Students will first explore the angle of refraction. Next they will create a gelatin waveguide to explore issues associated with light and waveguides....

8. Water Filtration and Purity of Water - Getting Down to the Nanoscale

   Teaching Materials | 13 Feb 2020 | Contributor(s):: David Mann, NNCI Nano

   This is a three part lesson which begins with familiarizing students with SI prefixes and the nanoscale.  In Lesson 2 students test a local water supply. It is designed to be used as an extension to classroom activities related to treating foul water for consumption. This activity should...

9. NNCI Reference Sheets

   Teaching Materials | 11 Feb 2020 | Contributor(s):: Joyce Allen, Nancy Healy, NNCI Nano

   This is a series of 5 reference sheets for high school students that have a summarized version of important concepts for courses in: Physics, Physical Science, Chemistry, Biology, and Genetics.  These are two sided, with one side introducing nanotechnology and the other containing facts,...

10. Understanding Wave Motion and Power Loss

    Teaching Materials | 10 Feb 2020 | Contributor(s):: Richard Moore, Angela Berenstein, NNCI Nano

    This lab is designed to help students understand how light waves interact with matter. This activity is analogous to light traveling through optical media having different indices of refraction (densities). This is a two part lesson. In part 1 students use slinky and snaky toys to explore wave...

11. What's in your Neighborhood: a size and scale activity

    Teaching Materials | 07 Feb 2020 | Contributor(s):: Marilyn Garza, NNCI Nano

    This activity gives students a sense of size and scale using their classroom and their neighborhood as a frame of reference. The activity focuses on measuring length, for this is the most common feature when presenting nanoscale structures or nanoscale science. Understanding size and scale is...

12. Nanocrete

    Teaching Materials | 06 Feb 2020 | Contributor(s):: kim Grady, James Marti (editor), Deb Newberry (editor), Nano-Link Center for Nanotechnology Education

    This module introduces students to the nanotechnologies, processes, and methods being tested by industry to prepare strong and lightweight cementitious products and systems. The module takes the learner through processing a material (called microgrinding or powder milling) to reduce its size...

13. Photolithography (Option A)

    Teaching Materials | 06 Feb 2020 | Contributor(s):: James J Marti, Nano-Link Center for Nanotechnology Education

    This module presents an introduction and demonstration of photolithography, the process of copying a high-resolution pattern onto multiple substrates. Students replicate key steps in the process of photolithography and learn how these processes fit into the fabrication of micro- and nanoscale...

14. Photolithography (Option B)

    Teaching Materials | 06 Feb 2020 | Contributor(s):: James J Marti, Nano-Link Center for Nanotechnology Education

    This module presents an introduction and demonstration of a key step in photolithography, the process of patterning a substrate used in the manufacture of integrated circuit chips. Students replicate some of the steps in the process of photolithography, and learn how these processes fit into...

15. Dye-Sensitized Solar Cells

    Teaching Materials | 06 Feb 2020 | Contributor(s):: Nano-Link Center for Nanotechnology Education, Frank Fernandes, University of Wisconsin MRSEC

    In this module, you will construct a dye-sensitized solar cell (DSC). This device is essentially a photo-electrochemical cell, which means that a photo-induced chemical reaction causes electrons to travel from one material to another. DSC’s consist of a nanostructured semiconductor film...

16. Encapsulation & Controlled Release

    Teaching Materials | 05 Feb 2020 | Contributor(s):: James J Marti, Kyle Forgette, Nano-Link Center for Nanotechnology Education

    This module introduces the process of forming macrocapsules and the concept of self-assembly. Forming capsules at the macro, micro, and nano levels have very important applications in drug delivery, cosmetics, food technology, and cleaning up environmental toxins. The module includes a...

17. Design Challenge: Incorporating Shape Memory Alloys into Rube Goldberg Devices

    Teaching Materials | 05 Feb 2020 | Contributor(s):: Joyce Allen, NNCI Nano

    This lesson consists of two parts. In Part 1, students determine which of set of wires is a unique metal alloy called Nitinol. Nitinol is called a shape memory alloy (an SMA) because it can “remember” its original shape under certain conditions after being bent, twisted, or...

18. Micelles

    Teaching Materials | 05 Feb 2020 | Contributor(s):: Dr. Lisa Siedman, Jeanette Mowery, Kyle Forgette, James J Marti, Nano-Link Center for Nanotechnology Education

    This module introduces micelles and the concept of critical micelle concentration (CMC). Micelles have important applications in biotechnology. Micelles are sometimes used to deliver drugs to their target in the body. Micelles are also sometimes used to deliver genes into plant cells in...

19. Aerogels

    Teaching Materials | 05 Feb 2020 | Contributor(s):: Carol Bouvier, James J Marti, Deb Newberry, Nano-Link Center for Nanotechnology Education

    This module introduces aerogels, nicknamed “blue smoke.” Using exploratory activities this module introduces the nano structure of aerogels and the resulting extreme physical properties exhibited such as: thermal conductivity, transparency, and impact resistance. These properties...

20. NanoFiltration

    Teaching Materials | 05 Feb 2020 | Contributor(s):: Sandra Weeks, Laura Arndt, Nano-Link Center for Nanotechnology Education

    Contaminated water supplies have become local problems in communities across the United States and the world. Though dramatic situations in Flint, Michigan, and in New Orleans after Hurricane Katrina catch the headlines, neighborhoods, and communities across our country are facing water quality...