Memory Technical materialsVersion en ligne Do you know what properties these materials have? And do you know what they are made of? No? Well, click on this memory and you will learn a lot of things about the materials! par Carla Rodríguez Martínez Opacity Window Acoustic conductivity Translucency Transparency Wall Glass Door Electrical conductivity Thermal conductivity Pan Wire Mines Sheep Paper Electrical wires Tree Sweater Plastic Milk Cow Pencil Oil Wood