
About this Event

In Partnership with the City of Alexandria Department of Recreation, Parks, and Cultural Activities
STEM, Costumes, Music & Wonder
Join the 10th Annual Spooky Mad Science Expo 2025!
Bigger. Bolder. More Fun.
Step into a world where STEM meets Halloween magic! From NASA, Boeing, Virginia Tech, UMD, to teen robotics teams, there’s hands-on science, music, costumes, planetarium adventures, and amazing food trucks waiting for you
2:00 PM: STEM Costume Parade
Kick off the day with a parade featuring STEM-inspired costumes and Star Wars squads!
🚀 Explore 100+ STEAM Stations
Hands-on STEM activities led by NASA, Boeing, Virginia Tech, UMD, nonprofits, robotics groups, teen innovators, and community partners. Experiment, learn, and have fun!
🌌 Sky Dome Planetarium Shows Begin
Journey to the stars and explore the universe inside the planetarium.
🎶 Live Kids’ Music Performance
Enjoy a performance by Alexandria Symphony Orchestra students, including fun instruments like buckets and noodles!
☕ Teen Science Café
Meet pilots, AI experts, scientists, and tech innovators. Learn about STEM careers, the future of innovation, and get inspired!
🎉 Innovation Costume Contest & Red Carpet
Show off your STEM-inspired costume and compete for exciting prizes!
🧪All afternoon
Hands-on experiments, 🎧 DJ
🚚 food trucks (including Flavor Hive) 🚀 STEM Legends Time Machine
🎙️ podcast studio
youth leadership & volunteer opportunities.
✅ Register now to save your spot:
https://chrysalisdg.org/spooky-mad-science-expo/
👻 Fun for all ages; kids, teens, adults, and grandparents. Celebrate 10 years of STEM, creativity, and community!
#SpookyMadScienceExpo #STEMCostumeParade #SkyDomePlanetarium #NASA #Boeing #FlavorHive #ChrysalisDevelopmentGroup #CityOfAlexandriaRPCA #ScienceIsFun #STEAM #HalloweenFu
Event Venue & Nearby Stays
Patrick Henry Recreation Center, 4653 Taney Avenue, Alexandria, United States
USD 0.00