Today
ENTER THE DRAGON: Follow the beat of Chinese drums to the annual Hong Kong Dragon Boat Festival, where you can watch traditional dragon-shaped rowboats glide across Flushing Meadows Corona Park’s Meadow Lake, check out authentic martial arts demonstrations, hear live tunes and more. Today and tomorrow, 10:30 a.m. to 4 p.m., free (bring cash for food). Flushing Bay and Grand Central Parkway, Queens; 718-767-1776, nycgovparks.org/parks/fmcp
REBEL YELL: It’s almost back-to-school time! Get a head start on history class at Governors Island’s Civil War Heritage Weekend, where musket and cannon firing demos, old-time games and more will teach kids all about American life in 1863. Today and tomorrow, 10 a.m. to 6 p.m., free. Ferries leave from the Battery Maritime Building, on the corner of South and Whitehall streets; 212-825-3045, nps.gov/gois
GO FISH: Budding marine biologists will have a ball at Hudson River Park’s Science on the River, a festival devoted to making conservation cool. Fish with the Hudson River Park staff, talk to environmental scientists, make art out of recycled materials and groove to tunes by the Anna Banana Band. 11 a.m. to 3 p.m., free. Pier 46 at Charles Street; 212-627-2020, hudsonriverpark.org
TOMORROW
MOVE IT: Kick off (get it?) the five-day “Downtown Dance Festival” with free multicultural performances by companies from Greece (Chapter Two), Santa Fe (Dancing Earth), France (Vendetta Mathea & Co.) and more. Through Thursday. 1 p.m., free. Battery Park, Battery Place at State Street; 212-219-3910, batterydance.org
FAMILY AFFAIR: Spend Sunday with DJ Stormin’ Norman, founder of the Sundae Sermon Festival, at “SummerStage Harlem Family Day,” where he’ll be joined by kids’ music fave Robbi K and the Illstyle & Peace Productions dance company. 4 p.m., free. Marcus Garvey Park, Madison Avenue between 120th and 124th Streets; cityparksfoundation.org