Memory Technical materialsVersión en línea 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! por Carla Rodríguez Martínez Opacity Window Translucency Wall Door Electrical conductivity Pan Transparency Glass Acoustic conductivity Wire Thermal conductivity Electrical wires Plastic Wood Tree Paper Oil Pencil Sweater Mines Milk Sheep Cow