Arts & Sciences in the SCA encompasses the following, and more:
Armor Creation, Bardic Arts, Bead Work, Brewing & Vinting, Calligraphy, Casting, Ceramics & Pottery, Cooking, Dance, Glass Work, Illumination, Knitting & Naalbinding, Lapidary, Leather Work, Music, Needlework, Painting, Paper Making, Poetry, Research, Sculpture, Spinning, Weaving, and Woodworking.
Seek out members at events and local practices if you are interested in the Arts & Sciences. Classes on various topics are offered at most events and there are many knowledgeable folks in the Shire of Caer Gwyn who regularly open their homes to host activities.
Middle Kingdom A&S Page: https://midrealm.org/kmoas/
Society A&S Page: https://www.sca.org/resources/arts-and-sciences/