The enjoyment and appreciation of artworks in a museum is a relatively
phenomenon..
can you me with this sentence i need a word for the space .

The enjoyment and appreciation of artworks in a museum is a relatively recent phenomenon, I would say. This admiration of art in museums has started just recently. 

Clay is a good medium to sculpt because its shape can be changed easily

Answer/// geometric period, archaic period,and classical period; geometric period is usually dated from 1000bcthe archaic and classical are 336bc to323bc;