Archivo de la categoría: Materials

Presentation about plastics


This activity consists in doing a presentation about plastics. We are going to use LibreOffice Impress, a free and open source software.

This presentation should contain the following information:

  • An initial slide showing the title “Plastics” and a subtitle explaining the definition of a plastic.
  • A slide dedicates to the properties of plastics.
  • Three slides focus on every type of plastic, that is to say, thermoplastics, thermosetting plastics and elastomers. All the slides should include text about properties of this kind of plastic and images related to these materials.
  • Slides refer to industrial plastics. Every slide should include properties about this plastic, uses and images of objects made of this material.
  • Finally,  set the slide transitions taking into account that you can easily read the information.

It is up to you to customize the animation of the slides by adding different effects.

Resources:

Plastics. Petervaldivia.com.

Materials. Tecnovicar3.com

Technological materials. Bilingual Technology.

Materials


This a video about materials and their properties.

After watching this video from BBC GCSE Bitesize web page, you have to answer these questions:
1. Ferrous metals are metals that contain ………………….

2. Stainless steel is a ferrous metal ……………….

3. Stainless steel is made from iron, …………….. and ……………….. which makes it shiny and ………………………….

3. Aluminium is ………….. , corrosion resistant and good at conducting ………………..

4. Copper is another non-ferrous metal, it is ……………. and also corrosion resistant.

5. Composite are made by combining diferent ………………. to create new, ……………… materials.

6. Fibreglass is a composite. It is made from glass fibre which is a …………………….. material, and epoxi resin which is ………………. agent.

7. Ceramics are made by combining …………………………… sand and feldspar and ………………. the mixture at incredibly high temperatures. The result is a …………….. and smooth material.

Fabrication of plastics


We are going to visit these links in order to study the manufacturing of plastics.

http://www.petervaldivia.com/technology/plastics/fabrication-of-plastic.php

http://www.tecno-lim.es/files/seccionterc/flash4.swf