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May 18: Extreme Earth Expo

Welcome to Extreme Earth Expo! A free all-day event focused on earth’s extremes–from extreme weather and natural phenomena to extreme life forms. Meet and interact with experts on tornadoes, volcanoes, earthquakes, dinosaurs, disaster preparedness, and more!

Check out these free features and activities!

  • Dino brains!
  • Earthquake simulations!
  • Extremophiles and astrobiology!
  • Terrestrial and extraterrestrial rock samples!
  • Green screen weather station!
  • Bug-out bags and emergency preparedness!
  • Shake tables and seismometers!
  • Real quake sand to take home!
  • Life-sized dinosaur heads!
  • St. Louis Fire Department fire engine and emergency equipment!
Special Presentation

1:00 pm Hail Storm Demonstration: Outside in GROW
Stand back and experience a simulated hail storm

2:00 pm KABOOM! Goes the Volcano! : Omnimax Lobby
Learn more about volcanoes and see a model eruption!

3:00 pm Hail Storm Demonstration: Outside in GROW
Stand back and experience a simulated hail storm

Share your SciFest experiences with #SciFestSTL

Extreme Earth Expo Partners and Activities

  • SCIENCE CENTER ENTRANCE (circle drive)
    • Get a close up look at a fire engine and emergency equipment, and learn more about disaster preparedness from the St. Louis Fire Department
    • Take home some quake sand, and find out more about the largest earthquakes to hit the U.S. east of the Rocky Mountains with New Madrid Historical Museum
    • Check out a volcano activity and terrestrial and extraterrestrial rock and mineral samples with Washington University in St. Louis Department of Earth and Planetary Sciences
    • Learn something new about how to be prepared for natural disasters and emergencies with St. Louis County/St. Louis City Health Departments
    • Take a closer look at earthquake response and recovery with Missouri State Emergency Management Agency
    • Design and build your own disaster-proof structures with American Society of Civil Engineers
    • Participate in an interactive seismic liquefaction demonstration with National Geospatial-Intelligence Agency
  • GROW (outdoor gallery)
    • Hail Storm demonstration at 1pm and 3pm
  • See what it’s like to hold a dinosaur brain in your hand with Morhardt Lab – Washington University School of Medicine
  • Get up close with life-sized dinosaur heads, dinosaur claws and teeth with Dr. Henry Tsai from Missouri State University
  • See what it looks like to be in an earthquake, and do a supercomputer simulation with Southern California Earthquake Center
  • Try out a weather green screen activity with KMOV News 4
  • Learn how to pack a proper bug-out or bug-in bag in case of emergency with Zombie Squad
  • Find out more about extremophiles and life in space with NASA JPL Solar System Ambassadors
SECOND FLOOR (Omnimax Lobby)
  • KABOOM! Goes the Volcano! demonstration at 2pm
Preschool Science Series at SciFest!

Mark your calendar for upcoming SciFest events in 2018!

July 20, 2019 – Apollo 50th Anniversary Moon Landing Party
August 10, 2019 – Bright Ideas Expo

SLSC Membership Special: Purchase a Family and Friends Membership or above, and save $10 during SciFest! Learn more about becoming a member.


May 18, 2019
9:30 am - 4:30 pm