* ACT-SO Orientation: Center for Creative Arts, 1301 Dallas Road, 10 a.m., free orientation for black high school students planning to participate in the competition. 400-1040.
* Book Signing: Esther Myhan and Lucille Allensworth sign "Prejudice Within Your Race," New City Fellowship Evangel House, 2323 E. Third St., noon, free.
* Songwriting Workshop: Barking Legs Theater, 10 a.m. to 4 p.m., $45 songwriting association members, $55 nonmembers; 7 p.m. performance by workshop leaders Louisa Branscomb, Kathy Reed and Earl Brackin. Workshop limited to 30 people. 706-581-8025.
* Hearing Loss Association of America: Ronald McDonald House library, 200 Central Ave., 2 p.m., visitors welcome, Becky Allen will discuss disability laws and the new 21st Century Technology Bill.
* Engineers Club: Doubletree Hotel, 407 Chestnut St., 11:30 a.m., $15, Thomas Kastenberger, head of engineering, Wacker Chemical Corp. in Cleveland, Tenn., speaks on "Sustainability -- A Key Element in Wacker's Business Approach."
* Howard High Alumni: Class of 1961 class meeting, Bethel AME Church, 2000 Walker Ave., 5:30 p.m., planning for 50th reunion. 622-7115.
* Red Bank Re-Vision: Red Bank Community Center, behind Erlanger North on Morrison Springs Road, 6 p.m., sponsored by Red Bank Neighborhood Pride Association.
* UTC Basketball Black-out: Mocs vs. Furman, McKenzie Arena, 7 p.m., fans asked to wear black to game, first 3,000 fans receive Blackout T-shirts, all fans receive voucher for free hot dog, popcorn and Coca-Cola product; get $4 ticket when using TRADITION promo code. 266-MOCS.
* Healthy Living Day: Belk stores in Chattanooga, 10 a.m. to store closing, free.
* Senior Arts Council: Loose Cannon Gallery, 1800 Rossville Ave., 1:30 p.m., free, Matt Evans, Christie Burns, Rebekah and Kofi Mawuko perform; Ellen Heavilon of Hart Gallery will discuss revitalized Main Street area.
* Spay-ghetti No Meatballs: Warehouse Row event space, 6-9 p.m., $25 includes dinner by Carrabba's, benefits Wally's Friends and Humane Educational Society. 877-9966.
* Black History Concert: Chattanooga State Community College, Humanities Theatre, 11 a.m., free, college choir presents "A Musical Journey through the African American Experience." 697-2482.
* Friends of Scouting Luncheon: Chattanooga Convention Center, 11:30 a.m., benefits programs of Cherokee Area Council of Boy Scouts, featured speaker is Sgt. Gregory A. Stube, who recently retired from Army Special Operations Command Public Affairs Office, Tom Edd Wilson to receive Distinguished Eagle Scout Award. For tickets, call 892-8323.
* Bike Workshop: Chattanooga Outdoor, 200 River St., 6 p.m., free, Jim Johnson, owner of Bike Tours Direct, and Minya James, long-distance cyclist, talk about bicycle touring. 643-6888.
* Black History Month Talk: Lindsay Street Hall, corner of M.L. King and Lindsay Street, 6 p.m., free, Knoxville mayor Daniel T. Brown is speaker.
* Lana's Love Party: Tennessee Aquarium, 5:30 p.m., free party for children being treated for cancer and their families, sponsored by The Barn Nursery; reservations required, call 322-7015.
* Caribbean Beach Party: The Mill, 7:30-10:30 p.m., sponsored by Caribbean Student Environmental Alliance. For tickets, call 413-0471.
* Home Show opens: 45th annual Tri-State Home Show, Chattanooga Convention Center, 10 a.m. to 8 p .m. Friday and Saturday, 11 a.m. to 5 p.m. Sunday, $7 ages 17 and up, bring a canned good for donation to Chattanooga Area Food Bank on Saturday or Sunday and receive $1 discount on ticket.
* Kids Zone Sale: Gateway Mall, I-75 at Cloud Spring Road, 9 a.m. to 4 p.m.; consignment sale continues through March 5, doors open at 10 a.m. Feb. 28-March 4; 9 a.m. on March 5 when all remaining items are discounted by half. www.kidszonesale.com
* Angelina Ballerina Event: Strasburg Children, first floor of Hamilton Place, 2-4 p.m., children's party celebrating character from children's literature, performance by Ballet Tennessee, children encouraged to dress in tutus and tiaras. 899-7276.
* Art Workshops: The Camp House, 1427 Williams St., 4-7 p.m., artist workshop with Ed and Bernie Massey, founders of Portraits of Hope; another workshop Sunday, Feb. 27, at CreateHere, 55 E. Main St., on charrette. To register, call 605-5257
* Creek Cleanup: North Chickamauga Creek Cleanup sponsored by Clear Creek Church of Christ, 9 a.m., volunteers should bring gloves, wear long sleeves, long pants and boots. For directions and to register, call 842-1163.