Working with Materials

Working with Materials

1. Every day we use different materials.

   • Wood
   • Plastic
   • Glass

2. Raw materials are classified in 3 categories.

   • Animal origin
     • Vegetable origin
     • Mineral origin

3. The materials are classified in 5 groups

   • wood
   • metal
   • plastic
   • textile materials
   • stone materials
   • ceramic materials

4. technical materials are used to

   • produce objects
   • construct machines
   • build houses...