Free workshop, Essentials of College Planning, at the Presque Isle CareerCenter at 9 a.m. and 1 p.m. FMI or to register: 1 (800) 281-3703.

Full-dome digital planetarium show "Two Small Pieces of Glass" at the Francis Malcolm Science Center, 7 p.m. and 8 p.m. Free admission; reserve a seat at 488-5451.