Community Health Fair Featuring blood pressure checks, diabetes screening, massage therapy, dental information, breast cancer awareness & more. John F. Street Community Center, 1100 Poplar St. 4/28. 10 am-2 pm.
F. Harold Comedy Festival Over 40 stand-up, sketch & improv comedy groups perform. Walnut Street Theatre - Studio 5, 825 Walnut St. fharoldpresents.com. $10; $25 festival pass. Closes 4/29.
Fishtown Shad Fest Music, food, environmental displays, vendors, children's activities & more. Penn Treaty Park, Delaware Ave. www.fishtownshadfest.net. 4/28. Noon-6 pm.
Germantown White House Exhibits Interactive exhibits featuring George Washington's family & household. Germantown White House (formerly Deshler-Morris House), 5442 Germantown Ave.; 215-965-2305.
Healthy Kids Day Kids and parents can experience ways to stay active during summer. YMCA of Central Philadelphia - Columbia North Branch, 1400 N. Broad St.; 215-235-6440. 4/28. 10 am-2 pm.
Manayunk Brew Fest Sample 50+ craft beers from many regional breweries. Manayunk Brewery & Restaurant, 4120 Main St.; 215-482-8220. $45; $25 designated drivers. 4/28. 1-5 pm.
Meanderings in the Wissahickon Share stories as you hike Wissahickon Valley Park. 300 E. Northwestern Ave.
Naturepalooza Nature-themed programming in honor of Earth Day. Music by the Plants, animal shows, crafts, nature walks & more. Schuylkill Center, 8480 Hagy's Mill Rd. 4/28. 10 am-2 pm.
Philadelphia Science Festival Talks, shows & interactive programs on a wide range of science-related topics. Venues throughout Philadelphia. www.philasciencefestival.org. Free-$55. Closes 4/29.
Shubin Silver Anniversary Festival 2 weeks of diverse performances including magic shows, play & poetry readings, theatrical productions & more. Shubin Theatre, 407 Bainbridge St. $20. Closes 4/29.
The Liberty Party DJs, food, drink specials the fourth Saturday of each month. 2204 Liberty Bar, 2204 Market St.
Water Explorers Visit local wetlands. Cobbs Creek Community Environmental Education Center, 63d & Catharine St. $9. 4/28. 11 am-noon.
Adopter's Day Reunion and Appreciation Day Picnic Picnic for dog owners & their dogs Ridley Creek State Park, 1023 Sycamore Mills Rd., Media. 4/28. 11 am-3 pm.
Annual Rotary River Ride Annual bike-a-thon benefits community outreach programs. Reg. required 215-674-9590. College Settlement Camp, 600 Witmer Rd., Horsham; 267-934-7248. $35; $18 for riders 18 and under. 4/29. 8 am-1 pm.
Book and Bake Sale Swarthmore Public Library - Borough Hall, 121 Park Ave., Swarthmore; 610-543-0436. Closes 4/28.
Canines on the Catwalk Pet-fashion show & fund-raiser. Keenan Motors, 4311 W. Swamp Rd., Doylestown. $55. 4/28. 7-11 pm.
Council Rock Runs for Babies Fund-raiser for the March of Dimes, featuring a 5K run, one-mile walk & 30-minute Zumbathon. Council Rock High School South, 2002 Rock Way, Southampton. $25 runners/walkers; $10 Zumbathon. 4/28. 8 am-noon.
EarthFest One of the largest Earth Day celebrations on the East Coast. Temple University Ambler, 580 Meetinghouse Rd., Ambler. 4/27. 9:30-3 pm.
Lower Merion Academy Bicentennial Gala Event to benefit Cynwyd Train Station. Woman's Club of Bala Cynwyd, 382 Bala Ave., Bala Cynwyd. $15-$30. 4/28. 6:30-9:30 pm.
Schuylkill River Shad Festival Walks, exhibits, a fishing derby, boating, live music & more. Schuylkill Canal Park, 400 Towpath Rd., Mont Clare; also Black Rock Sanctuary, 953 Black Rock Rd., Phoenixville; 610-917-0021. 4/28. 11 am-5 pm.
Art Blooms Earth Festival Eco-friendly vendors & craft displays, food, entertainment, exhibits & a family-friendly bike ride. Croft Farm Arts Center, 100 Borton's Mill Rd., Cherry Hill. 4/28. 10 am-3 pm.
Historic Smithville Mansion Guided Tours Learn about the property's history as you explore the mansion, annex rooms & courtyard gardens. 803 Smithville Rd., Mount Holly. $6.
Spring Flower Festival Arts & crafts displays & info on eco-friendly resources. Rotary Park, Lafayette St., Cape May; 609-884-5508. www.capemaymac.org. 4/28. 10 am-5 pm.
PAWS' 3d Annual Mid-Atlantic Pet Therapy Conference: Pet Therapy From the Inside Out Keynote speaker, 15 workshops, vendors, shopping, lunch, refreshments & more. Delaware School for the Deaf, 630 E. Chestnut Hill Rd., Ogletown; Reservations required: 302-351-5622. www.pawsforpeople.org/. $30 advance; $35 day of event. 4/28. 9 am-2:30 pm.
Kid's Stuff African Adinkra Prints
Program where kids design prints & make banners or stationery. Pennsylvania Academy of the Fine Arts - Historic Landmark Building, 118-128 N. Broad St. $12. 4/28. 1-4 pm.
Arbor Day Celebration Tree-themed children's story program. Kids will receive a tree seedling to take home. Terhune Orchards, 330 Cold Soil Rd., Princeton. 4/27. 10 am & 4 pm.
Barnes and Noble Ballet Story Time Philadelphia Youth Ballet members read stories to children. Barnes & Noble - Rittenhouse Square, 1805 Walnut St.; 215-665-0716. 4/28. 2:30-3:30 pm.
Come Play With Us Parents and babies 9-17 months. Milton & Betty Katz JCC, 501 N. Jerome Ave., Margate City. Closes 5/24.
Giggle Gang: Allison DeSalvo of World of Song Interactive sing-along. Springfield Mall, 1250 Baltimore Pike, Springfield. 5/3. 10:30 am.
Kid Support for People Impacted by Cancer Group for children who have cancer or family members or friends with cancer. Cancer Support Community of Philadelphia (formerly the Wellness Community of Philadelphia), 4100 Chamounix Dr.; Reservations required: 215-879-7733.
Little and Big Artist Workshop Family arts & crafts class. Main Line Art Center, 746 Panmure Rd., Haverford; 610-525-0272. $30; $20 members. 4/27. 9:30-10:30 am.
Musical Marching Minyan With Chana Rothman Morning service for kids. Germantown Jewish Centre, 400 W. Ellet St.; 215-844-1507. 4/28. 10-11 am.
Camden Children's Garden 3 Riverside Dr., Camden; 856-365-8733. www.camdenchildrensgarden.org. Earth & Arbor Day Celebration. 4/28. $6; $5 ages 3-11; free 2 & under. Tue.-Sun. 10 am-5 pm.
The Crayola Factory 30 Centre Square, Easton; 610-515-8000. www.crayola.com/factory/.
Delaware Children's Museum 110 S. Poplar St., Wilmington; 302-654-2340. www.delawarechildrensmuseum.org. Stratosphere. The Power of Me. ECOconnect. Bank on It. Training Wheels. Structures. $12; free 12 months & under. Daily 9 am-4:30 pm.
Garden State Discovery Museum 2040 Springdale Rd., Cherry Hill; 856-424-1233. www.discoverymuseum.com. Down the Shore. Fleet Backstage Theater. Arts & Imagination. Inky's Newsroom. Best Friends on Main Street. Recycled Rhythm Shack. The Discovery Diner. The Rock Climbing Wall. News & Weather. Storybook Castle. Little Discoveries. Dinosaurium. Owl Stories. 4/28. $10.95; $9.95 seniors; free under 1. May-Sept.: Daily 9:30 am-5:30 pm. Oct.-Apr.: Sun.-Fri. 9:30 am-5:30 pm, Sat. 9:30 am-8:30 pm.
Insectarium 8046 Frankford Ave.; 215-335-9500. www.myinsectarium.com. Working Beehive. Cockroach Kitchen. $7; free under 2. Mon.-Sat. 10 am-4 pm.
Kix & Giggles Children's Playground 9356 Old Bustleton Ave.; 215-677-4140. www.kixandgiggles.com. Kix & Giggles Attractions. $7. Wed.-Fri. 10 am-3 pm; Sat. 10 am-7 pm; Sun. 10 am-5 pm.
Please Touch Museum 4231 Avenue of the Republic; 215-581-3181. www.pleasetouchmuseum.org. City Capers. Flight Fantasy. Roadside Attractions. River Adventures. Wonderland. Centennial Exploration. Liberty Arm & Torch. Woodside Park Dentzel Carousel. ShopRite Supermarket Exhibit. Space Station. $15; free under 1, members. Mon.-Sat. 9 am-5 pm; Sun. 11 am-5 pm.
Sesame Place 100 Sesame Rd., Langhorne; 215-752-7070. www.sesameplace.com. $50.95; $45.95 seniors; free under 2. Open Sat-Sun.
Smith The Kids' Play Place in the Park 33rd St.; 215-765-4325. smithkidsplayplace.org. Playhouse. Tue.-Sun. 10 am-4 pm.