Answer:
1.)
The most common form was small painted wooden panels that could be carried or hung on walls. Such panels were made using the encaustic technique where coloured pigments were mixed with wax and burned into the wood as an inlay.
2.)
Note: Through mosaic art, children learn about shapes and how they fit together. They are introduced to patterns and can practice their fine motor skills while using their imagination and decision making skills
They were used for decoration, and to show people how rich you were, were Roman mosaics were also very strong surfaces for walking on and were sometimes used as signs or for advertising. Roman mosaics were waterproof and easy to clean. This made mosaics very popular in public buildings and Roman bathhouses