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 Acoustic conductivity Door Translucency Transparency Window Wire Electrical conductivity Wall Pan Glass Thermal conductivity Sweater Mines Electrical wires Cow Pencil Tree Plastic Sheep Milk Wood Oil Paper