STEM Challenge Kit: Newton's Disc Spinner
2025-10-09 10:00 - 19:00, 2025-10-10 10:00 - 19:00 (America/New_York) | Smithsburg Library, 66 W. Water St., Smithsburg, MD, 21783, United States
Stop by the Smithsburg Branch and pick up the STEM Challenge Kit for October. It is Newton’s Disc Spinner. While supplies last.

Night at the Planetarium - Visible Energy: The Science of Light
2025-10-09 19:00 - 20:00, 2025-10-14 18:00 - 19:00, 2025-10-14 19:00 - 20:00, 2025-10-16 18:00 - 19:00, 2025-10-16 19:00 - 20:00 | Harford County Public Library, 629 Edgewood Road, Edgewood, MD, 21040, United States
Use the darkness of the planetarium to explore the origin, properties, and uses of light energy in the universe and our modern lives. Registration required, and opens two weeks prior to the event. Please call 410-612-1600 to register.

Frankenstein Science
2025-10-15 15:00 - 16:00 | Perryville Branch Library, 500 Coudon Blvd., Perryville, MD, 21903, United States
Explore the science of Dr. Victor Frankenstein with monstrous multidisciplinary science experiments! Ages 6-11.

Pumpkin Slime
2025-10-17 13:00 - 14:00 | Carroll County Public Library Taneytown, 10 Grand Drive, Taneytown, MD, 21787, United States
Celebrate STEAM and the creepy season by learning to make pumpkin slime.

UMES Extension 4-H STEM Expo
2025-10-18 10:00 - 14:00 | UMES Engineering & Aviation Sciences Building, 30690 University Blvd. S. Kiah Hall 1112, Princess Anne, MD, 21853, United States
Join us on October 18th from 10 am to 2 pm for a day of hands-on interactive activities. The 2025 University of Maryland Eastern Shore Extension 4-H STEM Expo is a free event that is open to youth of all ages and their families. Located on the UMES campus in our Engineering & Aviation Sciences complex.
All are welcome, whether you are a youth exploring the world of STEM or a parent looking for future opportunities to inspire the next generation. This is the event for you as the events goal is to promote STEM related organizations, careers, and degrees.
This years exhibitors include:
UMES Professors from all STEM disciplines
NASA Wallops Island
Pocomoke State Forrest
National Aquarium’s Animal Rescue Division
And more…
The 2025 University of Maryland Eastern Shore Extension 4-H STEM Expo coordinated by the University of Maryland Eastern Shore Extension 4-H STEM faculty/staff will be held on Saturday, October 18th , 2025, from 10:00 am to 2:00 pm. This event will once again be held inside (limited outside space could be used upon request) the UMES Engineering & Aviation Science Complex on campus in Princess Anne, Maryland.
We invite you or a representative from your organization/department to offer an interactive exhibit at this year’s event. The UMES Extension 4-H STEM Festival is part of the broader Maryland STEM Festival, whose statewide theme is “Energy” (do not worry about following this theme for our event). We ask all exhibitors to have an interactive display/activity station that promotes STEM related careers/degrees that your organization is connected to or meets the statewide theme. Our focus is youth in K-12 and families with past festival years drawing from 175 to 400 participants.
Each exhibitor will be supplied with a table and 2 chairs (more tables or chairs available upon request). If you need electricity for your table, please let us know through the JotForm below. The event starts at 10:00 am and we ask you to have your exhibit/activity set up by 9:30 am on October 18th 2025. Breakdown/clean up begins at 2:00 pm.
Please consider joining us for another great UMES Extension 4-H STEM Expo. To register your organization/group please complete the Exhibitor Registration Form (https://form.jotform.com/252195123635152 ). We kindly ask that you respond by Friday October 3rd 2025 to give us time to coordinate tables and space.
Please share this information with any colleagues or organizations that you think would be willing to take part or attend the event.

Kids Discover: Pumpkin Sensory Bottles
2025-10-18 11:00 - 12:00 | Hagerstown Branch, 100 S. Potomac St., Hagerstown, MD, 21740, United States
Join us for Kids Discover/Little Explorers STEM and create your own Pumpkin Patch Sensory Bottle. We’ll be exploring with orbeez (water beads) also. This event takes place on Saturday October 18th from 11am-12pm. Storytime and instruction begin promptly at 11am, but the room is open to complete activities until 12pm. Registration required. Ages 3-10. Hope to see you there!

Make Your Own Marble Roller Coaster
2025-10-19 11:00 - 12:30 | Kensington Park Library, 4201 Knowles Avenue, Kensington, 20895, United States
Design your own roller coaster. Using cardboard tubing, tape, and ingenuity, you will create a “roller coaster” for marbles. See what kind of engineering feat you can accomplish. You may be inspired to create other engineering wonders. All supplies will be provided.
This program is for middle and high school students, ages 10 – 17 (tweens and teens).

LEGO® Builders Club
2025-10-20 17:00 - 18:00 | Carroll County Public Library Mount Airy location, 705 Ridge Avenue, Mount Airy, MD, 21771, United States
Want to practice your building skills? Join us for a LEGO® program where you tackle a new design each time! Bring a grown-up and build together. We supply the bricks, and you supply the creativity.

Tween Scene: Laser Maze Box Challenge (ages 8-13)
2025-10-22 16:00 - 17:00 | Middletown Branch Library, 31 East Green St, Middletown, MD, 21769, United States
Laser Maze Box Challenge: Join us to learn a little bit about lasers and angles, then set to work using the knowledge you’ve gained and some hands-on experience to solve some laser box challenges. Ages 8-13.

New Volunteer Orientation Session
2025-10-23 09:30 - 12:00 | Robert Thomas, Team Leader, MC STEM Volunteer Program via Zoom
We are Montgomery County STEM Volunteer Program, an educational non-profit (501 c3) organization of retired and working STEM (science, technology, engineering, math) professionals who volunteer our time to go into MCPS schools to bring the real world of STEM into the classroom. We are holding our annual New Volunteer training/orientation session on October 23, 9.00 am-Noon. If you have the background/experience and are interested in helping students get excited about STEM subjects and how they fit into our everyday lives, we’d love to hear from you. It’s the start of the new school year so you will be making a valuable contribution to the next generation of STEM professionals. For more information about our program, please visit the MCPS STEM Professional Volunteer Site: https://sites.google.com/mcpsmd.net/mcps-steam-mentors/mcps-steam-volunteer-program or contact me for more details: Robert Thomas, MC STEM Volunteer Program Leader robert.james.thomas@verizon.net, 301-717-0900

Join Zoom Meeting
https://mcpsmd.zoom.us/j/88481113569?pwd=[REDACTED]
Meeting ID: 884 8111 3569
Passcode: [REDACTED]

St. Mary's STEAM Festival
2025-10-25 10:00 - 14:00 | St Mary’s County Fairgrounds, 42455 Fairgrounds Rd, Leonardtown, MD, 20650, United States
St. Mary’s County Public Schools will host their 10th annual STEAM Festival on Saturday, October 25, 2025 at the St. Mary’s County Fairgrounds. Festivities will run from 10:00 am to 2:00 pm and will feature fun, food, and phenomena!
Each year, the state designates a month-long celebration of all things science, technology, engineering, and math. This STEM-related exploration takes place through in person festivals and online events. Our annual STEAM Festival is set up in a fair-style manner, where attendees can engage with exhibitors at their own pace.

Morgan State University STEM Expo 2025
2025-10-25 10:00 - 15:00 | Morgan State University, 2040 E 32nd St, Baltimore, MD, 21218, United States
Everyone is invited to the Morgan State University STEM Expo! Discover the latest in AI and machine learning through exciting STEM activities, interactive games, and hands-on workshops. Connect with our DSEC partners and explore opportunities for collaboration. This event is FREE so mark your calendars! Please register here: www.morgancemse.com
Date: Saturday, October 25, 2025
Time: 10:00 am —3:00 pm
Location: University Student Center
Address: 1700 East Cold Spring Lane
Baltimore, MD 21251
Contact Person: Katrina Robinson
Email: katrina.robinson@morgan.edu
Phone: 443 885-4407

Maryland Maker Day at Rockville Makerspace
2025-10-25 13:30 - 16:00 | Rockville Science Center, hjlichtman@lichtman.ws, Rockville, MD, 20850, United States
MoCo Makers is partnered with the Rockville Science Center to offer this once yearly event. Check out some of the cool projects that local makers and artists are working on. You can learn about how people in our community are using the Rockville Makerspace, what tools are available, and event try your hand at a project yourself!

It's Electric! Bacterial Batteries
2025-10-25 22:00 - 23:30 | Baltimore Underground Science Space (BUGSS), 101 N Haven St, Baltimore, MD, 21224, United States
This hands-on workshop will make use of Mudwatts to create bacterial batteries! We will explain how electro-microbiology works and how it is currently used.
We have a limited supply (only 10!) mudwatts. So, there are 10 available tickets for people who want to build their own MudWatt that they can take home. But…there are also more tickets available for people who want to attend but not build their own Mudwatt (maybe you are sharing and building together with a partner, sibling, family member, friend-all welcome!)
In this workshop, you will discover the power of electricity-generating bacteria living in the soil beneath our feet! Best of all, you will get to keep and take home your mudwatt to run a long-term experiment using the MudWatt Explorer App! MudWatts are reusable and can last for years!
Class is appropriate for anyone in third grade and up!

STEM of Many Colors
2025-10-28 09:30 - 11:00 | George Washington Carver Center for Arts and Technology, 938 York Rd,, Baltimore, MD, 21204, United States
STEM Professionals from underserved communities discuss career paths and working in the STEM Field. This event is for Carver Center students only

STEM Club: Balloon Powered Rockets
2025-10-28 17:30 - 18:30 | Charles County Public Library, 10405 O'Donnell Place, Waldorf, MD, 20603, United States
For this program, we will be learning about engineering and design by creating our own rockets using balloons!
Registration is required. Please email pdbrownref@ccplonline.org with any questions.
STEM Club is a monthly program designed for children ages 6-11 years old. In this monthly program, children are given the opportunity to explore the principles of science, technology, engineering, and math through fun and engaging experiments and lessons, led by CCPL staff.
STEM Club is offered at all of our standing branch locations!
Check out our full schedule of STEM Club programs, here.

Sphero’s Trick or Treat Adventure
2025-10-29 15:00 - 16:00 | Pennslyvannia Avenue Branch, 1531 W. North Avenue, Baltimore, MD, 21217, United States
Use your coding skills to guide Sphero Bolt through a spooky Halloween maze! In this interactive program, you’ll learn how to program Sphero to find its way to the end of the course, add sound effects and bring Sphero to life with exciting animations as it travels through the maze.

Mid-Shore S.TE.M. Festival
2025-11-01 09:30 - 13:30 | Eastern Shore Higher Education Center, Chesapeake College, 1000 College Circle, Wye Mills,, MD, 21679, United States
The 8th Annual Mid-Shore S.T.E.M Festival will be held on Saturday, November 1, 2025 at the Eastern Shore Higher Education Center, located on the Chesapeake College campus, in Wye Mills, Maryland. The event will be held rain or shine from 9:30 am – 1:30 pm and is free, open to the public, and geared toward youth ages 8-16. There are special early childhood S.T.E.M activities from 10 am – 12 pm for youth ages 4-7 as well.
The Mid-Shore S.T.E.M Festival is hosted by the University of Maryland Extension 4-H and Family & Consumer Sciences Programs and is focused on providing hands-on science, technology, engineering, and math learning for youth of all ages and their families. Activities will include interactive displays, activity stations, makers space, demonstrations and workshops. This year’s theme is “FrankenSTEM” with many activities focused on the theme, as well as many other STEM topics. Youth are encouraged to come in their Halloween costumes; prizes will be awarded. This is a great event to make career connections and learn about the future of science and science-related careers and opportunities.
Bring your kids to participate during the Maryland STEM Festival here on the mid-shore on November 1st for a fun science-filled day! We will have lunch and refreshments for sale. Remember, the event is FREE and open to all!
For more information, please contact Navonne Owen, UME Caroline County 4-H, at nowen@umd.edu or (410) 479-4030. This is an equal opportunity and equal access program.

HCC Annual STEAM Fest
2025-11-01 10:00 - 14:00 | Hagerstown Community College, 11400 Robinwood Drive ARCC, Hagerstown, MD, 21742, United States
Bring the whole family for a day filled with fun hands-on activities related to STEAM. Activities include the ever popular Egg Drop and Bottle Rocket Challenges, Arts, Pumpkins, Drones and more. Learn about our STEM programs from camps to career training to degree programs. Free Parking and Admission! Free Food!

The Higgs Boson and the Quest for New Physics: A Journey into the Heart of Matter
2025-11-01 13:00 - 14:00 | Gaithersburg Library, 18330 Montgomery Village Ave., Gaithersburg, MD, 20879, United States
Join Dr. Suyog Shrestha, Assistant Professor of Physics at Washington College, as we explore what scientists are doing today to uncover new physics that may one day rewrite our understanding of the universe. Through his collaborative work at CERN’s Large Hadron Collider, including the Nobel Prize–winning discovery of the Higgs boson, we are getting closer to answering fundamental questions about the universe. This discussion should enlighten and inspire the most curious.
No registration required.
About Dr. Suyog Shrestha
Dr. Suyog Shrestha is an Assistant Professor of Physics at Washington College (Chestertown, Maryland), where he leads the College’s involvement in the ATLAS experiment at CERN’s Large Hadron Collider. His research focuses on Higgs boson physics, searches for new particles beyond the Standard Model, and the application of machine learning in high-energy physics. Dr. Shrestha earned his B.A. from Grinnell College (2006), Ph.D. from Iowa State University (2014), and spent over seven years as a postdoctoral researcher at CERN before joining Washington College in 2022. In addition to his research, he is deeply committed to undergraduate mentorship and STEM outreach – locally in Maryland and internationally in Nepal.

Frederick STEM Carnival at Carroll Creek
2025-11-01 13:00 - 16:00 | Carroll Creek Park, Frederick, 21701
The First Frederick STEM Carnival will occur on November 2nd at Carroll Creek from 1 to 4PM. The event builds on previous successes and offers a unique opportunity for Frederick residents to engage in STEM-related activities. This event is being held with the Frederick Children’s Business Fair. Click here for details

STEM Explorers - Egg Drop Engineering Challenge
2025-11-01 15:30 - 16:30 | Quince Orchard, 15831 Quince Orchard Road, Gaithersburg, 20878, United States
Egg Drop Engineering Challenge with Science Connections! Can you protect your important cargo? Space is limited, registration required. Ages 6-12.
Calling all future NASA engineers! Join Science Connections to test out your design and construction skills. Learn how NASA engineers landed the most recent rover, Perseverance, on Mars in February 2021. Apply some of the same techniques they used to plan, build, and test out your very own creation. Can you complete the challenge: to protect your raw egg cargo from a 10 foot drop!!
Registration required. Register online or call 240-773-9550 beginning 3 weeks before the event. For children ages 6 – 12. Generously sponsored by Friends of the Library, Montgomery County, MD, Inc.

Kids' Academy: Nanoscience
2025-11-04 11:00 - 12:00 | Perryville Branch Library, 500 Coudon Blvd., Perryville, MD, 21903, United States
Explore the world of the extremely small–so small you cannot see it with the human eye and where odd things happen at a nanoscale!
Educational activities for homeschoolers and children in non-traditional school settings. Ages 6-11.

MD STEM Fest Challenge
2025-11-04 13:30 - 19:00 | Sharpsburg Library, 106 East Main ST, Sharpesburg, MD, 21782, United States
Stations will be set up with Legos and marble runs. Look through our microscope and magnifying glass, what do you see?

Build-In Movie: Big Hero 6
2025-11-04 15:00 - 17:00 | Orleans Branch, 1303 Orleans Street, Baltimore, MD, 21231, United States
It’s Maryland STEM Fest! Can you build a robot like Hiro and his friends out of our building chips? Set mechanical energies and your own creativity in motion while you watch Disney’s Big Hero 6.
A young tech whiz named Hiro must save his city from a nefarious villain with the help of his inflatable robot Baymax, as well as his friends Go Go Tomago, Wasabi, Honey Lemon and Fred.
2014 | PG | 1hr42min
