“Adieu Sweet Shabbat.” Antique and contemporary objects used for Havdallah. Through June 30. At Jewish Heritage Museum at Reutlinger Community for Jewish Living, 4000 Camino Tassajara, Danville. www.rcjl.org.

“Are We There Yet?” Through July 31. “Charlotte Salomon: Life? or Theatre?” Through July 31. “The Ping Pong Project.” Interactive game installation celebrating Jewish contributions to table tennis. Through May 10. At Contemporary Jewish Museum, 736 Mission St., S.F. www.thecjm.org.

“Ba-it” (Home). Through May 12. “Memories.” Through June. At Oshman Family JCC, 3921 Fabian Way, Palo Alto.  www.paloaltojcc.org.

“Gained in Translation: Jews, Germany, California circa 1849.” Magnes collection of Jewish life. Through July 11. At the Bancroft Library Gallery, U.C. Berkeley. www.magnes.org.

“Generations: Selections from the Kirshner Family of Artists.” Through June 15. At Contra Costa JCC, 2071 Tice Blvd., Walnut Creek. www.ccjcc.org.

“Rosh Hodesh.” Group exhibit of artists reinterpreting the holiday. Through July 31. At BJE Jewish Community Library, 1835 Ellis St., S.F.

(415) 567-3327.

“Underdog to Underworld: Jewish Gangsters and the American Dream.” Illustrations by graphic designer Pat Hamou. Through May 30. At Addison-Penzak JCC, 14855 Oka Road, Los Gatos. www.siliconvalleyjcc.org.

“Yom Hashoah Student Art Exhibit.” Artwork by 7th- and 8th-graders from Gideon Hausner Jewish Day School, JLS Middle School and South Peninsula Hebrew Day School. Through May 27. At Oshman Family JCC, 3921 Fabian Way, Palo Alto. (650) 223-8699.