Description |
Anything in this world has its special physical and chemical properties such as color. However, in some cases, like butterfly’s wings, we observe several stunning colors. It is because of their tiny grooves to the size of molecules. These kind of properties, which have somehow between physical and chemical properties, are nano-properties. |
Mental Challenge |
Why would the butterfly’s wings change color while moving? |
Quizzes and Activities |
Activity: Compare glass, wood, cotton, plastic, paper by pouring water on their surface whether they absorb the water or not, and sort them by their tendency to absorb water. |
Further Reading Sources |
1. https://www.youtube.com/watch?v=AQ3lRXH1OvI 2. https://www.youtube.com/watch?v=29Ts7CsJDpg 3. https://www.youtube.com/watch?v=zlLxiLjYOQU 4. https://www.youtube.com/watch?v=bFiOkxoXLic |
| Types of Nanostructures | 08:51 | |
| Properties of Nanomaterials | 05:55 |