SENIOR CENTER BID WHIST, for ages 55 and older. 12:30-3 p.m., Camp Springs Senior Center, 6420 Allentown Rd., Camp Springs. Free. 301-449-0490.
ONLINE HOMEWORK HELP, for students in grades 4-12, tutoring in math, science, social studies and English, provided by teachers, university professors and graduate students. 2 p.m.-midnight daily; Spanish-speaking tutors in math and science, 2-10 p.m. Sundays to Thursdays. Available through www.pgcmls.info, the Prince George's County Memorial Library System.
SINGLE WOMEN'S ISSUES SEMINAR, for those 18 and older, "52 Things You Can Do Right Now to Experience Peace in Every Area of Your Life," a discussion of how single women can handle adverse circumstances concerning family, finances, relationships, health and career. Sponsored by Clear Vision Programs. 3-5 p.m. Saturday, New Carrollton Municipal Center, 6016 Princess Garden Pkwy., New Carrollton. Free; registration deadline is today. 301-538-9999.
SENIOR EXERCISE AND SWIMMING, for those 60 and older, use of a fitness center and a swimming pool. 8 a.m.-noon Fridays, Mondays and Wednesdays, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. Free; nonresidents of Prince George's and Montgomery counties, $8. Pool only for nonresidents, $5. 301-583-2400 or www.pgsportsandlearn.com.
CHILLUM SENIOR CLUB, for people 60 and older, card games, chess and other board games, plus refreshments. 11:30 a.m.-1 p.m., Rollingcrest-Chillum Community Center, 6120 Sargent Rd., Chillum. Free. 301-853-2005.
AVIATION MODEL WORKSHOP, for ages 8 and older, basic techniques for making aviation models; plastic aviation models available. Sponsored by the International Plastic Modelers Society. Noon-4 p.m., College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Models, $3 each, with regular museum admission of $4; seniors, $3; ages 2-18, $2; ages 1 and younger, free. 301-864-6029.
SCRAPBOOK WORKSHOP, for ages 6 and older, the basics of photo preservation. Participants should bring four to six pictures. 10-11:30 a.m., South Bowie Community Center, 1717 Pittsfield Lane, Bowie. $12; nonresidents of Prince George's and Montgomery counties, $14. Registration required. 301-249-1622.
SOJOURNER TRUTH PORTRAYAL, actress Alice McGill recalls the life of the abolitionist and women's rights advocate. 1:30 p.m., Oxon Hill Library, 6200 Oxon Hill Rd., Oxon Hill. Free. 301-839-2400.
SEABROOK SCHOOLHOUSE, tours of a one-room schoolhouse built in 1896, sponsored by the Maryland-National Capital Park and Planning Commission. 1-4 p.m., 6116 Seabrook Rd., Seabrook. Free. 301-464-5291.
COMPUTERS FOR BEGINNERS, for ages 18 and older, hands-on instruction. 9 a.m.-noon Monday and Wednesday, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. $50; nonresidents of Prince George's and Montgomery counties, $60. Registration required. 301-583-2430 or www.pgsportsandlearn.com.
LAUREL NATURE HIKE, for children 8-12, interactive outdoors tour led by a park ranger; wear appropriate clothes and shoes. 2-3:30 p.m., Patuxent Research Refuge, North Tract, Route 198, between Baltimore-Washington Parkway and Route 32, Laurel. Free; registration required. 301-497-5887.
BOWIE-CROFTON CAMERA CLUB MEETING, for ages 18 and older. Terry Popkin judges a slide competition based on the theme "Summer." 7:30 p.m., All Saints Lutheran Church, Route 301 and Mount Oak Road, Bowie. Free. 301-464-4212 or www.b-ccc.org.
LANGLEY PARK BRIDGE GAMES, for people 60 and older. 9 a.m.-2 p.m., Langley Park Senior Center, 1500 Merrimac Dr. Free. 301-408-4343.
ACCOKEEK STORY TIME, for children 3-5. 10:30 a.m., Accokeek Library, 15773 Livingston Rd., Accokeek. Free. 301-292-2880.
LAUREL BIRD WALK, for ages 16 and older; binoculars and field guides recommended. 8-10 a.m., National Wildlife Visitor Center, Powder Mill Road (between Baltimore-Washington Parkway and Route 197), Laurel. Free; registration required. 301-497-5887.
SENIOR CENTER LINE DANCING, for people 60 and older. 10 a.m.-noon, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
CAMP SPRINGS CIVIC MEETING, state legislative representatives discuss the upcoming legislative session of the Maryland General Assembly, which begins Jan. 11. Sponsored by the Camp Springs Civic Association. 7 p.m., Thurgood Marshall Middle School, 4909 Brinkley Rd., Camp Springs. Free. 301-449-9479.
BELTSVILLE BOOK DISCUSSION, Ad Hudler's "House Husband." 7:30 p.m., Beltsville Library, 4319 Sellman Rd., Beltsville. Free. 301-937-0294.
PETER PAN CLUB, for children 3-5 accompanied by an adult, flying stories, pedal planes, crafts and games. 10:30 a.m., College Park Aviation Museum, 1985 Cpl. Frank Scott Dr., College Park. Museum admission, $4; seniors, $3; ages 2-18, $2; ages 1 and younger, free. 301-864-6029.
BRANDYWINE BOOK DISCUSSION, Amy Tan's "The Bonesetter's Daughter," about a woman who finds her mother's notes about her life as the mother struggles with Alzheimer's disease. Noon, Baden Library, 13603 Baden-Westwood Rd., Brandywine. Free. 301-888-1152.
OXON HILL LIBRARY MEETING, a meeting of the Prince George's County Library Board of Trustees. 8 p.m., Oxon Hill Library, 6200 Oxon Hill Rd., Oxon Hill. Free. 301-839-2400.
-- Compiled by GERRI MARMER
and LISA MARTIN
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