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Calendar

<lst>To have community events listed free in The Potomac Almanac, send mail to 7913 Westpark Drive, McLean, Va. 22102, e-mail to almanac@connectionnewspapers.com, or fax to 703-917-0991. Deadline is Thursday at noon for the following week’s paper. Photos and artwork encouraged. Unless otherwise noted, all events are in Potomac. If you have any questions, call Matthew Razak at 703-917-6457.

<cal1>Wednesday/April 4

<cal2>Afternoon Tea. Enjoy afternoon tea and live music from local artists at the Mansion at Strathmore, 1 p.m. Cost is $18. Call 301-581-5108 or visit www.strathmore.org.

Time for Two's. Stories, songs, rhymes, and activities for two- to three-year-olds at Bethesda Library, 7400 Arlington Road, Bethesda, 10:30 a.m. Call 240-777-0970.

Conversation Club. This English language conversation club is conducted by an ESOL teacher and will run from 2-4 p.m. in the Bethesda Library, 7400 Arlington Road, Bethesda, meeting room. It is designed for non-native speakers of English at every skill level. This is a drop-in program, pre-registration is not required. Call 240-777-0970.

Beastly Buddies. Come to an ongoing special event to help animals and learn about the animals that help people at Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda, 10 a.m - 1 p.m. Explore wildlife rehabilitation, pet animal rescue, wildlife conservation and more. Bring a toy, towel, or blanket for animals to exchange for a prize. Fee is per child only. Visit www.parkpass.org or call 301-299-1990.

Yoga. Unity Woods Yoga Center will offer a free introductory yoga class at their Bethesda Studio, 4853 Cordell Ave., PH7, Bethesda, 5-6:15 and 6-7:30 p.m. Call 301-656-8992.

Jazz Music. The Dick Morgan Quartet will perform in memory of Ronnie Wells who passed away on March 7. At the Mansion at Strathmore, 7:30 p.m., 10701 Rockville Pike, North Bethesda. Tickets are $10. Call 301-581-5100 or visit www.strathmore.org.

<cal1>Thursday/April 5

<cal2>Film Screening. "Arabs and Terrorism," film screening and discussion by Dr. Bassam Haddad, film director, 6 p.m. at Montgomery College Rockville Campus, Theatre Arts Arena, 51 Mannakee St. Rockville. The documentary examines the implicit, and often explicit, connection made between Arabs and terrorism, particularly in the United States. Contact Enas Elhanafi at 301-738-1759 or e-mail her at enas.elhanafi@montgomerycollege.edu.

Afternoon Tea. Ladies Afternoon Tea at Amada Amante, 9755 Traville Gateway Drive, Rockville, 12:30-2:30 p.m. Scones, fruit, tea sandwiches and signature desserts. Call 240-461-8361. Visit www.amadaamante.com.

Meet the Naturalist. Stop by the playground area at Cabin John Regional Park off Tuckerman Lane to say hello to a Locust Grove naturalist and find out what is happening just around the corner, 11-11:30 a.m. All Ages. Visit www.parkpass.org or call 301-299-1990.

Senior's Yoga. Unity Woods Yoga Center will offer a free introductory yoga class at their Bethesda Studio, 4853 Cordell Ave., PH7, Bethesda, 9-10:15 a.m. Call 301-656-8992.

Yoga. Unity Woods Yoga Center will offer a free introductory yoga class at their Bethesda Studio, 4853 Cordell Ave., PH7, Bethesda, 6:15-7:45 p.m. Call 301-656-8992.

Film Screening. "About Baghdad," exiled Iraqi writer and poet Sinan Antoon returned to his native homeland in 2003 with a team of filmmakers and artists to explore what Iraqis think and feel about Saddam Hussein’s dictatorship, the resulting war, and United States occupation, 7:30 p.m. at Montgomery College Rockville Campus, Theatre Arts Arena, 51 Mannakee St., Rockville. The film shows the diversity of perspectives from hundreds of Iraqi citizens. To learn more about the film, visit www.aboutbaghdad.com.

Opera Night Live. Entertainment and four course Italian meal at Trattoria Sorrento, 4930 Cordell Ave., Bethesda, 7-9 p.m. Cost is $48. Call 301-718-0344.

First Thursdays. Recipes and samples for Passover and Easter at Bella Italia, 4844 Bethesda Ave., Bethesda, 10 a.m. - 9 p.m. Call 301-654-2667.

Yoga. Free introductory yoga class at Yoga for Health, 12645 Travilah Road, Potomac, 9:45 a.m. Call 301-330-0430 to register.

<cal1>Friday/April 6

<cal2>Celebrate Spring. Make a wind chime to welcome spring, enjoy face painting and a children's story with Perfect Parties By Terrye at Cabin John Mall Atrium, 11325 Seven Locks Road, Potomac, 9:30 a.m.

Contra Dance. The Friday Night Dancers presents traditional American dancing including contra dances, square dances, and several waltzes. Contra dance lesson from 7:30-8:15 p.m. Dance from 8:30-11:30 p.m. to the Glen Echo Open Band, $8, in the Spanish Ballroom at Glen Echo Park. Contact info@fridaynightdance.org, or visit www.fridaynightdance.org.

Cajun/Zydeco Dance. Crawfish Productions presents the first Zydeco dance of the 2007 season with Dikki Du and the Zydeco Crew perform at the Park. Beginning zydeco lesson at 8 p.m. is followed by dancing from 9 p.m. to midnight. Admission $15, in the Bumper Car Pavilion at Glen Echo Park, 7300 MacArthur Blvd., Glen Echo.

Preschool Storytime. Stories, songs, rhymes, and activities for three to five-year-olds at Bethesda Library, 7400 Arlington Road, Bethesda, 10:30 a.m. Call 240-777-0970.

Spring Break Brownie Day. Come to the Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda, to try some self-guided Try-Its. They will select activities from Animals, Eco-Explorer, and Watching Wildlife and give participants the tools to try them on their own using the nature center's resources, 11 a.m. - 2 p.m. Ages 6-8. Cost $6. Visit www.parkpass.org or call 301-299-1990.

Yoga. Unity Woods Yoga Center will offer a free introductory yoga class at their Bethesda Studio, 4853 Cordell Ave., PH7, Bethesda, 9-10:30 p.m. Call 301-656-8992.

<cal1>Saturday/April 7

<cal2>Art Show. Free exhibits of emerging artist work and art sales at the Yellow Barn Studio and Gallery in Glen Echo Park, 7300 MacArthur Blvd., featuring Kay Lane, 12-5 p.m. The Yellow Barn Studio and Gallery is on the 3rd floor of the Arcade building. Call 301-371-5593 or visit www.yellowbarnstudio.com.

Nature Program. Come visit Discovery Creek Children's Museum Forest Tales exhibition at the Stable Glen Echo Park. Spend time with the entire family while participating in engaging science and nature activities, 10:30 a.m. - 3 p.m. April is Earth Appreciation month, come and give Mother Nature a hug. Members and children under 2: free, nonmembers: $5. Call 202-337-5111 or visit www.discoverycreek.org.

Climb Wall Weekend. Get ready to climb at Discovery Creek Children’s Museum in Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. Climb Wall activities are included with the price of admission to Discovery Creek. Open 10 a.m. - 2:30 p.m. Ages 4–9. Members and children under 2 are free, $5 for nonmembers. Call 202-337-5111 or visit www.discoverycreek.org.

Carousel Tours. 12 p.m. at Glen Echo Park, 7300 MacArthur Blvd, Glen Echo. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Park Tours. Walking tours of Glen Echo Park, 7300 MacArthur Blvd, Glen Echo begin at 2 p.m. A 60-minute film documentary is shown at 4 p.m. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Swing Dance. The Washington Swing Dance Committee is pleased to present a WSDC Band Jam. Beginner Swing dance lesson 8-9 p.m., dance 9 p.m. to midnight, in the Spanish Ballroom at Glen Echo Park, 7300 MacArthur Blvd. Cost is $15 or volunteer for one hour and get in free. Email Derek at wsdcvolunteer@hotmail.com. Dress is casual and no partner or dance experience is necessary. All ages are welcome. Call 301.340.9732 or visit www.wsdc.org.

Time for Two's. Stories, songs, rhymes, and activities for two- to three-year-olds at Bethesda Library, 7400 Arlington Road, Bethesda, 10:30 a.m. Call 240-777-0970.

English Language Conversation Club. Join in practicing and improving spoken English with the help of volunteers leading discussions at the Potomac Library, 10101 Glenolden Drive, 3 p.m. 2 hours. Call 240-777-0690.

Family Hike "Spring Stroll." Take an easy hike, rain or shine, to explore Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda, trails in spring, 1-2 p.m. Ages 5 and up. Cost free. Visit www.parkpass.org or call 301-299-1990.

Yoga. Unity Woods Yoga Center will offer a free introductory yoga class at their Bethesda Studio, 4853 Cordell Ave., PH7, Bethesda, 12:30-2 p.m. Call 301-656-8992.

Midnight Easter Buffet. Normandie Farm, 10710 Falls Road, Potomac will once again host this Traditional Midnight Greek Easter Buffet. The buffet will remain open until 3 a.m. Visit http://www.popovers.com/content/view/61/82/.

Dance Class. Tango beginner workshop at the Music Center at Strathmore, 5301 Tuckerman Lane, room 405, 5:30-7 p.m. Ages 16 and up. Cost is $25. Call 301-581-5204.

Children’s Talk & Tour. The Baltimore Watercolor Society presents a talk and tour of the Mansion at Strathmore, 10701 Rockville Pike, Bethesda, 10:15 a.m. - 12:30 p.m. Ages 5 and up. Call 301/581-5109.

Italian Wine Tasting. Wine and appetizers sponsored by Centro Restaurant, B-CC Beer & Wine and Bella Italia at Bella Italia, 4844 Bethesda Ave., Bethesda, 6-8 p.m. Ages 21 and up. Call 301-654-2667.

Choral Works. The National Philharmonic will perform Mendelssohn’s Elijah at the Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda, 8 p.m. Tickets are $25-$79. Children ages 7-17 are free. Call 301-581-5100 or visit www.strathmore.org.

Classical Music. The National Philharmonic will perform Mendelssohn’s Elijah at the Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda, 8 p.m. Tickets are $25-$79. Call 301-581-5100.

<cal1>Sunday/April 8

<cal2>Art Show. Free exhibits of emerging artist work and art sales at the Yellow Barn Studio and Gallery in Glen Echo Park, 7300 MacArthur Blvd., featuring Kay Lane, 12-5 p.m. The Yellow Barn Studio and Gallery is on the 3rd floor of the Arcade building. Call 301-371-5593 or visit www.yellowbarnstudio.com.

Nature Program. Come visit Discovery Creek Children's Museum Forest Tales exhibition at the Stable Glen Echo Park. Spend time with the entire family while participating in engaging science and nature activities, 10:30 a.m. - 3 p.m. April is Earth Appreciation month, come and give Mother Nature a hug. Members and children under 2: free, nonmembers: $5. Call 202-337-5111 or visit www.discoverycreek.org.

Climb Wall Weekend. Get ready to climb at Discovery Creek Children’s Museum in Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. Climb Wall activities are included with the price of admission to Discovery Creek. Open 10 a.m. - 2:30 p.m. Ages 4–9. Members and children under 2 are free, $5 for nonmembers. Call 202-337-5111 or visit www.discoverycreek.org.

Carousel Tours. 12 p.m. at Glen Echo Park, 7300 MacArthur Blvd, Glen Echo. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Park Tours. Walking tours of Glen Echo Park, 7300 MacArthur Blvd, Glen Echo begin at 2 p.m. A 60-minute film documentary is shown at 4 p.m. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Family Dance. Spend the afternoon dancing with your children. Each of the family dances features live music and dance calling from 3-5 p.m. in the Bumper Car Pavilion at Glen Echo Park, 7300 MacArthur Blvd. General admission, $5. Produced by the Folklore Society of Greater Washington. Call 202-518-1299 or visit www.fsgw.org.

Ballroom Tea Dance. The La Salle Dance Orchestra invites the public to enjoy an afternoon dancing to the popular music of the 1920's and 30's in the Spanish Ballroom in Glen Echo Park, 7300 MacArthur Blvd. Marc and Ellen are always on hand to teach a class at 3 p.m. and downbeat for the orchestra is 3:30 p.m. They play three sets of great music until 6 p.m. The cost is $8 including the lesson. Call 703-425-7926 or visit www.lasalledanceorchestra.com.

Contra and Square Dance. The Folklore Society of Greater Washington presents traditional American dancing with a focus on New England style contra dances, and including square dances, country mixers, waltzes. Lessons 7 p.m., followed by called dances from 7:30-10:30 p.m. $10 nonmembers/$8 FSGW members, in the Spanish Ballroom at Glen Echo Park. Call 202-518-1299 or visit www.fsgw.org.

<cal1>Monday/April 9

<cal2>Half-Pints Club. Join in the fun with art classes presented by VisArts at Whole Foods Market, 1649 Rockville Pike, Rockville, 4-5 p.m. Children will enjoy making a creative and original craft sure to liven up any refrigerator. Free, no pre-registration required. Call 301-984-4880.

<cal1>Tuesday/April 10

<cal2>Work-Out for a Cure. Fitness Express in partnership with the Beverly Farms PTA offers a dynamic, feel the burn work-out, 4:15-5:15 p.m., the Beverly Farms gym. Tax deductible donations to Breast Cancer Research, in lieu of a class fee appreciated. All fitness levels welcome. Call Marilyn at 301-523-1900.

Children's Theater. Adventure Theatre and the Clara Barton House present "Clara Barton: The Courage Within." Clara's life is portrayed on stage at Adventure Theatre at Glen Echo Park, followed by a National Park Service tour of her historic home. Performances at 11 a.m. Cost is $8 for children and adults, grade three through six. Call 301-320-5331 or visit www.adventuretheatre.org.

Time for Two's. Stories, songs, rhymes, and activities for two- to three-year-olds at Bethesda Library, 7400 Arlington Road, Bethesda, 10:30 a.m. Call 240-777-0970.

Bethesda Reads. The Bethesda Library, 7400 Arlington Road, Bethesda, book group will discuss "Saving Fish from Drowning" by Amy Tan. Join them in the study room. Call 240-777-0970.

Stone Soup. Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda, will concoct a soup of water and buoyancy, 10-11 a.m. Ages 3-6. Cost $4. Visit www.parkpass.org or call 301-299-1990.

Cooking with Egg: Spring Salads. Learn how to make a spring salad at Whole Foods Market, 1649 Rockville Pike, Rockville, 6:30-8 p.m. Free, pre-register at customer service. Call 301-984-4880.

Fun With Toddlers. Join the Potomac Library, 10101 Glenolden Drive, Potomac, for a story time perfect for new walkers, 10:30 a.m. This program is designed for toddlers (13-24 months) and includes lots of movement, songs, action rhymes, and puppet plays. Registration required. Call 240-777-0690.

Japanese Tea. Celebrate Spring with a special Japanese Tea at the Mansion at Strathmore, 10701 Rockville Pike, North Bethesda. The Washington Toho Koto Society will play traditional and contemporary Japanese music. A bento lunch featuring chicken, rice and seasonal salads will be offered and will be accompanied by Japanese green tea. Tea is $23 per person. Call 301-581-5108 for availability.

<cal1>Wednesday/April 11

<cal2>Puppet Show. The Puppet Co. presents Tiny Tot Tuesdays. This Tuesday's show ill be "Magic Pots and Recycled Bottles," at 10:30 and 11:30 a.m. in Glen Echo Park, 7300 MacArthur Blvd., Glen Echo. Ages 0-4. Tickets are $5. Call 301-320-6668.

Focus Music. SONiA with speical guest Jud Caswell will play at O’Brien’s BBQ, 387 East Gude Drive, Rockville, 8 p.m. Tickets $15 general, $12 memebers. Call 301-275-7459.

Time for Two's. Stories, songs, rhymes, and activities for two- to three-year-olds at Bethesda Library, 7400 Arlington Road, Bethesda, 10:30 a.m. Call 240-777-0970.

Conversation Club. This English language conversation club is conducted by an ESOL teacher and will run from 2-4 p.m. in the Bethesda Library, 7400 Arlington Road, Bethesda, meeting room. It is designed for non-native speakers of English at every skill level. This is a drop-in program, pre-registration is not required. Call 240-777-0970.

Spring Pond Hike. Enjoy a lovely late afternoon exploring a favorite pond at Locust Grove Nature Center, 7777 Democracy Blvd., Bethesda, 4-5 p.m. Meet at the campground entrance on Tuckerman Lane. Ages 6-12. Cost $4. Visit www.parkpass.org or call 301-299-1990.

Babies in the Library. Join the Potomac Library, 10101 Glenolden Drive, Potomac, for a story time program designed for pre-walkers (birth to 12 months), 10:30 a.m. Infants and adults will perform lap bounces, clapping rhymes, lullabies, and other preliteracy activities with a librarian. Registration required. Call 240-777-0690.

Japanese Tea. Celebrate Spring with a special Japanese Tea at the Mansion at Strathmore, 10701 Rockville Pike, North Bethesda. The Washington Toho Koto Society will play traditional and contemporary Japanese music. A bento lunch featuring chicken, rice and seasonal salads will be offered and will be accompanied by Japanese green tea. Tea is $23 per person. Call 301-581-5108 for availability.

<cal1>Thursday/April 12

<cal2>Brass Quartet. The United States Navy Band Brass Quartet will peform at Twinbrook Library, 202 Meadow Hall Drive, Rockville, 7 p.m. Free.

Mommy and Me. Join in the fun during Mommy and Me at Whole Food Market, 1649 Rockville Pike, Rockville, 10:15-11 a.m. The program will open with a quick sing-a-long and story time, transition into an art project, and close with a healthy snack. Call 301-984-4880.

<cal1>Friday/April 13

<cal2>Artists Reception. Creative Partners Gallery, 600 East-West Highway, Bethesda, will hold an artist reception for Color and Light, 6-9 p.m. Call 301-951-9441 or visit www.creativepartnersart.com.

Contra Dance. The Friday Night Dancers present traditional American dancing including contra dances, square dances, and several waltzes. Contra dance lesson from 7:30-8:15 p.m. Dance from 8:30-11:30 p.m. to the Glen Echo Open Band. Cost $8, in the Spanish Ballroom at Glen Echo Park. Contact info@fridaynightdance.org or visit www.fridaynightdance.org.

Swing Dance. The Washington, D.C. Lindy Exchange (DCLX) kicks off its sixth annual lindy exchange with New York City's Dreamland Dance Orchestra. Beginner swing lesson 8-9 p.m., dancing 9 p.m. to midnight in the Bumper Car Pavilion at Glen Echo Park. Cost $15. Visit www.dclx.org.

Art Walk and Tour. Bethesda’s art walk will feature 13 galleries and studios open late in Downtown Bethesda from 6-9 p.m. Guided tours start at 6:30 p.m. at the Bethesda Metro Center. Call 301-215-6660.

Happy Hour Fundraiser. A fundraiser benefiting the Brain Tumor Society at Union Jack’s, 4915 St. Elmo Ave., Bethesda, 6-9 p.m. Ages 21 and up. Cost is a $10 minimum donation. Call 703-518-8883.

Violin Music. Chuanyun Li, violin, will perform at the Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda, 8 p.m. Tickets are $28-$50. Visit www.strathmore.org or call 301-581-5100.

<cal1>Saturday/April 14

<cal2>Art Show. Free exhibits of emerging artist work and art sales at the Yellow Barn Studio and Gallery in Glen Echo Park, 7300 MacArthur Blvd., featuring Betsy Cooley, 12-5 p.m. The Yellow Barn Studio and Gallery is on the 3rd floor of the Arcade building. Call 301-371-5593 or visit www.yellowbarnstudio.com.

Nature Program. Come visit Discovery Creek Children's Museum Forest Tales exhibition at the Stable Glen Echo Park. Spend time with the entire family while participating in engaging science and nature activities, 10:30 a.m. - 3 p.m. April is Earth Appreciation month, come and give Mother Nature a hug. Members and children under 2: free, nonmembers: $5. Call 202-337-5111 or visit www.discoverycreek.org.

Carousel Tours. 12 p.m. at Glen Echo Park, 7300 MacArthur Blvd, Glen Echo. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Park Tours. Walking tours of Glen Echo Park, 7300 MacArthur Blvd, Glen Echo begin at 2 p.m. A 60-minute film documentary is shown at 4 p.m. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Swing Dance. The Washington, D.C. Lindy Exchange (DCLX) is proud to present its main dance of the weekend, featuring the nationally renowned Boilermaker Jazz Band plus special guests from New York and Boston. Beginner swing lesson 8-9 p.m., dance 9 p.m. to midnight in the Spanish Ballroom at Glen Echo Park. Cost $15. Visit www.dclx.org.

Dance Class. Tango beginner workshop at the Music Center at Strathmore, 5301 Tuckerman Lane, room 405, 5:30-7 p.m. Ages 16 and up. Cost is $25. Call 301-581-5204.

Italian Wine Tasting. Wine and appetizers sponsored by Centro Restaurant, B-CC Beer & Wine and Bella Italia at Bella Italia, 4844 Bethesda Ave., Bethesda, 6-8 p.m. Ages 21 and up. Call 301-654-2667.

Woodwind Quintet. The Staccatos Woodwind Quintet from George Mason University will perform at Potomac Library, 10101 Glenolden Drive, Potomac, 2 p.m.

BosmaDance. The BosmaDance group will perform at the Black Rock Center for the Arts, 12901 Town Commons Drive, Germantown, 8 p.m. Tickets are $21 in advance and $26 at the door. Call 301-528-2260.

Yard Sale. Proceeds go to Whitman post-prom. Located at Walt Whitman High School, 7100 Whittier Blvd., Bethesda, 10 a.m – 3 p.m. Call 301-320-6600.

Cantate Chamber Singers Annual Gala. Dessert buffet, auctions, arts and crafts and musical entertainment at River Road Unitarian Church, 6301 River Road, Bethesda, 7:30 p.m. Cost is $50 ($37 tax deductible). Call 301-986-1799.

Book Sale. Potomac Library, 10101 Glenolden Drive, Potomac will have a book sale, 9 a.m. Most hardbooks $1 and paperbacks $.50. Four hours. Call 240-777-0690.

Classical Music. The renowned Shanghai Quartet will perform a free concert presented by the Washington Conservatory of Music at Westmoreland Congregational UCC Church, One Westmoreland Circle, Bethesda, 8 p.m. Call 301-320-2770 or www.washingtonconservatory.org.

Classical Music. The Baltimore Symphony Orchestra will perform Beethoven’s Emperor at the Music Center at Strathmore, 5301 Tuckerman Lane, North Bethesda, 8 p.m. Visit www.strathmore.org or call 301-581-5100.

<cal1>Sunday/April 15

<cal2>Art Show. Free exhibits of emerging artist work and art sales at the Yellow Barn Studio and Gallery in Glen Echo Park, 7300 MacArthur Blvd., featuring Betsy Cooley, 12-5 p.m. The Yellow Barn Studio and Gallery is on the 3rd floor of the Arcade building. Call 301-371-5593 or visit www.yellowbarnstudio.com.

Critiques and Coffee. A photo jam session at Photoworks in Glen Echo Park, 7300 MacAthur Blvd., Glen Echo. Bring photos to a morning critique led by a Photoworks faculty member. Enjoy coffee and bagels and a lively discussion of images, photo interests and questions, 10 a.m. - 12 p.m. in the Arcade Building. Call 301-229-7930 or visit www.glenechophotoworks.org.

Nature Program. Come visit Discovery Creek Children's Museum Forest Tales exhibition at the Stable Glen Echo Park. Spend time with the entire family while participating in engaging science and nature activities, 10:30 a.m. - 3 p.m. April is Earth Appreciation month, come and give Mother Nature a hug. Members and children under 2: free, nonmembers: $5. Call 202-337-5111 or visit www.discoverycreek.org.

Carousel Tours. 12 p.m. at Glen Echo Park, 7300 MacArthur Blvd, Glen Echo. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Park Tours. Walking tours of Glen Echo Park, 7300 MacArthur Blvd, Glen Echo begin at 2 p.m. A 60-minute film documentary is shown at 4 p.m. Admission is free and the tour is also offered by appointment at 301-492-6229. Visit www.nps.gov/glec.

Waltz Dance. Waltz Time presents a beginning waltz lesson from 3 to 3:30 p.m., followed by an afternoon of waltzes by Blue Bamboo. The dancing runs from 3:30-6 p.m. and cost for lesson and dance is $8. Everything happens in the Spanish Ballroom at Glen Echo Park, no partner required. Visit www.waltztimedances.org, call 202-238-0230, or e-mail info@waltztimedances.org.

Contra and Square Dance. The Folklore Society of Greater Washington presents traditional American dancing with a focus on New England style contra dances, and including square dances, country mixers, waltzes. Lessons 7 p.m., followed by called dances from 7:30-10:30 p.m. $10 nonmembers/$8 FSGW members, in the Spanish Ballroom at Glen Echo Park. Call 202-518-1299 or visit www.fsgw.org.

Yoga for a Cause. Join in the giving spirit at Thrive Yoga at a donation-only yoga class at Whole Foods Market, 1649 Rockville Pike, Rockville, 3-4 p.m. Help raise money and high vibration for Habitat for Humanity of Montgomery County. Call 301-294-9642 to register or visit www.thriveyoga.com.

Chamber Music. The Foundation for Advanced Education in the Sciences Chamber Music Series presents Amit Peled, cello, and Alon Goldstein, piano, performing Beethoven’s 3rd cello and piano sonatas at Congregation Beth El, 8215 Old Georgetown Road, Bethesda. Tickets are $28, regular or $12, student. Call 301-496-7976.

Sixth Annual Mark’s Run. Benefits the Landon Scholarship Fund and the Joslin Diabetes Center at Harvard. The race will take place at The Landon School, 6101 Wilson Lane, Bethesda, 9 a.m. Cost is $20/5 K race; $10/Fun run. Call 301-775-2840.