October 7 @ 10:00 am - 5:00 pm Cardboard Challenge: MASKS (Ages 5-11) Glenwood Branch : 2350 MD-97, Cooksville, MD, United States Engineer a 3D mask using cardboard, recyclables, & your imagination. Masks are then displayed from Oct. 18-19. Free
October 8 @ 6:00 pm - 7:00 pm STEM-tastic: Volcanoes! Upper Marlboro Branch Library 14730 Main St, Upper Marlboro, United States Become a scientist by conducting hands-on, fun science activities using basic scientific principles. Ages 8–12 Free
October 9 @ 2:00 pm - 3:00 pm Conservation Classroom: Exploring Ecosystems with Otters Join us for a virtual field trip as we explore ecosystems and otters! Free
October 9 @ 4:00 pm - 5:30 pm STEAM Night @ KIPP Harmony Academy KIPP Harmony Academy 2000 Edgewood Street, Baltimore, MD, United States STEAM Night will be a fun with a variety of experiments and demos in the arts, science and health/wellness. Free
October 10 @ 5:30 pm - 7:00 pm STEAM Fall Fun Festival Lyon Mills ELementary School 9345 Lyons Mill Road, Owings Mills, MD, United States hands-on activities and interactive booths. Various organizations will be present, showcasing STEAM Free
October 10 @ 6:00 pm - 7:00 pm Robotic Pumpkin Smash North Carroll Library 2255 Hanover Pike, Hampstead,, MD, United States Each year the Robo-Lions Robotics Team (www.robo-lions.org) build a new robot to smash pumpkins!! Free
October 12 @ 10:30 am - 12:00 pm Planting a Pollinator Garden — Presented by the Bowie Green Team South Bowie Branch Library 15301 Hall Road, Bowie, United States Fall is the best time to plant a perennial pollinator garden. Free
October 12 @ 1:00 pm - 4:00 pm Community Stem Day Rockville Science Center hjlichtman@lichtman.ws, Rockville, MD, United States Join us for an exciting afternoon of hands-on STEM learning and exploration for all ages. Free
October 12 @ 2:00 pm - 3:00 pm Blendies: Color Blending Spinners Damascus Library 9701 Main Street, Damascus, Maryland Explore symmetry and balance with a reconfigurable spinning top! Online preregistration required. Free
October 12 @ 3:00 pm - 4:00 pm Science Saturday – Hunt for Aliens Maggie Nightingale Library 19633 Fisher Avenue, Poolsville, MD, United States Explore symmetry and balance with a reconfigurable spinning top! Online preregistration required. Free
October 12 @ 3:00 pm - 4:00 pm Science Saturday – DNA Discovery Maggie Nightingale Library 19633 Fisher Avenue, Poolsville, MD, United States Explore symmetry and balance with a reconfigurable spinning top! Online preregistration required. Free
October 14 @ 11:30 am - 12:00 pm Ready 2 Read STEM: Ages 3–5 Upper Marlboro Branch Library 14730 Main St, Upper Marlboro, United States Explore and have fun with hands-on science or math activities, songs, and games. Free