October 31 @ 1:30 am - 2:30 pm Spooky Slime Science (Ages 6+ w/adult) TK Elkridge Branch Library 6540 Washington Blvd,, Elkridge Come explore the science of chemistry as we make super spooky slime for Halloween. (Ages 6-11) Free
October 31 @ 8:30 am - 12:00 pm Phantom Fabrication St Joan of Arc School 230 S Law St, Aberdeen Students will learn the science behind "pepper's ghost", then work together to engineer their own spooky props Free
October 31 @ 10:00 am - 1:00 pm FrankenSTEAM’s Laboratory at Port Discovery October 31st Port Discovery 35 Market Place, Baltimore Visit FrankenSTEAM's laboratory for a variety of STEAM related activites. $24.95
October 31 @ 11:00 am Tiny STEAM Myersville Community Library 8 Harp Place, Myersville Explore Science, Technology, Engineering, Art, and Math concepts. Designed for ages 2-5 with a caregiver. Free
October 31 @ 1:00 pm - 2:30 pm Creepy Critters: Bats & Owls (Halloween) North Carroll Library 2255 Hanover Pike, Hampstead, Learn about bats and owls! Free
October 31 @ 1:00 pm - 2:30 pm Creepy Critters: Bats & Owls (Halloween) North Carroll Library 2255 Hanover Pike, Hampstead, Join 4-H Environmental Educator Torrey Silliman for this fun Halloween-inspired program! Free
October 31 @ 1:00 pm - 3:00 pm Create It! PD Brown Memorial Branch 50 Village Street, Waldorf Meet with your friends after school and rotate among the stations to create some fabulous works of art. Free
October 31 @ 2:00 pm - 3:00 pm Owl Exploration (Ages 7-11 TK) Glenwood Branch : 2350 MD-97, Cooksville Whoooo knows what an owl eats? Dissect an owl pellet to find out! Explore other aspects of the life of an owl. Free
October 31 @ 4:30 pm - 7:30 pm Ghostly Glow: 3D Printed Nightlights Carroll County Public Library, Exploration Commons 50 East Main Street, Westminster Spice up your Halloween decor! $8.00
October 31 @ 5:30 pm - 7:30 pm Salisbury University Spooky Science Spectacular Salisbury University, Henson School of Science & Technology 1101 Camden Ave, Salisbury Halloween Themed Science Activities for Trick-or-Treaters on the campus of Salisbury University. Free
October 31 @ 6:00 pm - 8:00 pm Spooky Stickers for Teens Glenwood Branch : 2350 MD-97, Cooksville Use the Cricut machine to create spooky or seasonal stickers to get into the autumnal spirit! Free