Fall Festival, Car Exhibit, Book Sale

Celebrate fall with the 2013 NOVA Community Festival and Car Exhibit. The event is Oct. 12 at 10 a.m. at 6901 Sudley Road in Manassas. Includes live music, dancing, arts and crafts, and kids' activities. Free and open to the public.

Satisfy your book cravings at the Chinn Park Regional Library Book Bag Sale on Oct. 13 at noon. Visit the library at 13065 Chinn Park Drive in Woodbridge and fill up a brown paper bag for $3.

Help the Dale City Lions adopt a highway on Oct. 12 from 9 a.m. to noon. Meet at First United Presbyterian Church of Dale City at 14391 Minnieville Road in Woodbridge.

Prince William Ice Center holds an open skate from 12:10 p.m. to 2:10 p.m. on Saturdays.

Gravity is at the AMC Theater at Potomac Mills Mall in Woodbridge. See other movie showtimes for this weekend.

Check out upcoming open houses in the Woodbridge area, courtesy of Zillow.

Do you have an event to share on Patch? Email greg.hambrick@patch.com.

Toying with Science. Your whole family will get a fun lesson from Garry Krinsky. The performer uses circus tricks, mime, music and even the audience to explore gravity, leverage and other scientific principles. Adults, $15; children, $5. 2 p.m. Saturday, Merchant Hall, Hylton Performing Arts Center, 10960 George Mason Circle, Manassas.

Cool Weather, but ‘Chicken Fried.’ Summer has gone, but there’s still one more shot to hear some jammin’ folk rock outdoors from the Zac Brown Band. Getting most of its love from college and country radio, Zac Brown Band’s biggest singles are “Chicken Fried,” “Free” and “Toes.” From $38.50. 6:30 p.m. Sunday. Jiffy Lube Live Amphitheater, 7800 Cellar Door Drive, Bristow.

A Swing and a Spark. Prince William County’s SPARK program is hosting a Swing Band Bash on Sunday featuring local swing bands. SPARK is a nonprofit that reaches out to community partners to fund local education programs. $20. 2 p.m. Sunday. Hylton Performing Arts Center, 10960 George Mason Circle, Manassas.

Home for Dinner. The Workhouse Arts Center’s 2nd Saturday Art Walk will include a special opening reception for “Home for Dinner,” a new community action exhibition showcasing how the community can make a difference in the battle with hunger and homelessness. Visitors to the exhibit are encouraged to bring canned food. The exhibit runs through Dec. 1. Reception is 6-9 p.m. Saturday. Vulcan Gallery, 9601 Ox Road, Lorton.