It's a STEM takeover at camp! Explore fun hands-on science, technology, engineering, and math challenges throughout Camp Cedar Hill. Local partners will be stationed all throughout the camp property, so you can use your map to choose your own adventure and decide what areas and topics to explore! Meet with STEM professionals while digging deeper into topics you love or discovering new ones that you may not have previously known about!
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STEM Fest at Camp Cedar Hill
May 3, 2025 | 9 AM-1 PM
Camp Cedar Hill Waltham, MA
STEM Fest is GSEMA's premiere STEM event of the year, and is open to ALL Girl Scout levels with activities and experiments created and designated specifically for different ages. A patch and swag are included. Check back regularly for an updated list of partners and activities!
Plan Your STEM Adventure
Daisy Activities (grades K-1) 
Color Like a Robot
Did you know you can learn coding through coloring? Follow the algorithm to color in the pictures just as a robot would.
- LEGIT (Liberty Encouraging Girls in Technology)
*NEW* Tough as Pudding
Learn about material properties by mixing concrete made of pudding! Test out different ingredients to learn how to make your material stronger. *Modeling dough concrete is available as an alternative.
- Simpson, Gumpertz, and Heger
*NEW* Computers Don’t Have Eyes
How can a computer check if something is ready to come out of the oven if it doesn't have eyes? Turn cookies into numbers (and back into cookies), and learn how computers interact with objects in the real world.
- Kensho
Smart Dollhouse
Imagine a world where you could control every inch of your home with the touch of a button. Explore every possibility with our incredible "smart" dollhouse using buttons, motion sensors, and photocells.
- QSys
*NEW* World’s Strongest Straws
Drive a robot around a field and try to achieve various tasks with it! Work through the engineering design process by building a structure that can support a cup of pennies using only straws and tape. Challenge your peers to a friendly competition and try to build the structure that can support the most weight!
- Andover Robotics
*NEW* Doll-Sized Science
Learn about important women scientists throughout our history and observe the world on a small scale using paper microscopes and dolls!
- Graduate Women in Science and Engineering at BU
Hold Your Helmets
Have you ever had a concussion? Try on our concussion goggles to see what it feels like. Try out an obstacle course and see how difficult it is to complete basic tasks. After you come to this station, you’ll never forget to wear a helmet again!
- Boston Children’s Hospital
Strawberry DNA
When we think about genetics and biology, we usually aren’t thinking about a fruity summertime favorite. Learn what DNA is and how scientists study it by using common household objects to extract genetic material (DNA) from living organisms (strawberries).
- X-Chem
Catapults and Flowers
Have you ever seen how a flower can change colors? In this experiment, you will! Girl Scouts will also participate in a demonstration of a catapult and will take home a catapult kit to make and experiment on their own. This activity will highlight the P&G product development cycle with a display featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if you lost the function of a part of your body? Could you eat with one hand? Put your sweatshirt on? Use a phone? Learn how to create adaptive equipment to assist mobility during everyday tasks.
- Charter Care
*NEW* Designing for Coastal Change
Discover how waves and sea level rise can impact coastal cities like Boston, and channel your inner engineer by testing out different ways to help cities adapt to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination by trying to perform a surgical procedure! Try to grasp different small items using a camera to guide your hand! Start by watching a demonstration, and then give it a go yourself!
- Johnson & Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a bottlenose dolphin! Learn about dolphin anatomy and discover the unique adaptations that dolphins have to their ocean environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to operate Stormgears' 2024 UNH district finalist robot! Participants will pick up foam rings and shoot them out for other robot operators to collect. Then, make your own Bristle Bot to race alongside your fellow Girl Scouts. Bristle Bots will be provided for Daisies and younger Brownies.
- Stormgears FRC
STEM Career Exploration
STEM careers are for everyone. Use coloring pages to learn about ways princesses use their STEM skills to make the world a better place. Check back throughout the day to see our STEM vision board!
- Ms. Massachusetts Elemental
Crafting Kaleidoscopes
Create your own kaleidoscope with household items. Explore how light can reflect off a mirrored surface to create unique, symmetric patterns!
- Society of Women Engineers Boston
Mazes and Marbles
Create a maze using craft sticks and marbles, and challenge your fellow Girl Scouts to see who can navigate through it the fastest!
- Suffolk
Need a Tissue?
Get a glimpse into how engineers think about creating synthetic tissues for people who need them! Then, make one of your own by building a model bone, crafting a heart, or assembling your own cells.
- Tufts BME
Need for Speed
Do you think you can use plastic building blocks to build something in less than a minute? Put your skills to the test with this speedy engineering challenge! Compete by yourself or take things to the next level by competing with another Girl Scout.
- RTX
Vaccine Cornhole
Face off in an epic battle between Team Virus and Team B cell in a game of vaccine cornhole to learn how vaccines work to keep your body healthy!
- MIT Biological Engineering
3D Printing in Action
You may have heard of 3D printing, but what can you do with it and how do 3D printers work? Come learn how you can make almost anything with a 3D printer, and then get your own 3D-printed object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the growth, development, and overall health of living organisms. Make a bracelet that represents this code and follows the same rules as our genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out what GSEMA's STEM ON-THE-GO mobile learning center offers and learn how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this exciting hands-on activity! Using sustainable materials, participants will create robots powered by motors, wires, and batteries while they focus on building, design, and iteration. Then, test your creations' strength and battle strategy. Let your creativity soar as you build the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques that scientists use in their field research, and learn about amphibian conservation work locally and around the world!
- Woodhams Lab: UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites, centipedes, and other decomposers! Look at soil samples under the microscope, learn what worms eat, and why decomposition is important to growing food!
- Massachusetts Horticultural Society
Brownie Activities (grades 2-3)
*NEW* Tough as Pudding
Learn about material properties
by mixing concrete made of pudding! Test out different ingredients to
learn how to make your material stronger. *Modeling dough concrete is
available as an alternative.
- Simpson, Gumpertz, and Heger
*NEW* Computers Don’t Have Eyes
How can a computer check
if something is ready to come out of the oven if it doesn't have eyes?
Turn cookies into numbers (and back into cookies), and learn how
computers interact with objects in the real world.
- Kensho
Smart Dollhouse
Imagine a world where you could control
every inch of your home with the touch of a button. Explore every
possibility with our incredible "smart" dollhouse using
buttons, motion sensors, and photocells.
- QSys
*NEW* World’s Strongest Straws
Drive a robot around a
field and try to achieve various tasks with it! Work through the
engineering design process by building a structure that can support a
cup of pennies using only straws and tape. Challenge your peers to a
friendly competition and try to build the structure that can support
the most weight!
- Andover Robotics
*NEW* Doll-Sized Science
Learn about important women
scientists throughout our history and observe the world on a small
scale using paper microscopes and dolls!
- Graduate Women in
Science and Engineering at BU
Hold Your Helmets
Have you ever had a concussion? Try on
our concussion goggles to see what it feels like. Try out an obstacle
course and see how difficult it is to complete basic tasks. After you
come to this station, you’ll never forget to wear a helmet
again!
- Boston Children’s Hospital
Strawberry DNA
When we think about genetics and biology,
we usually aren’t thinking about a fruity summertime favorite. Learn
what DNA is and how scientists study it by using common household
objects to extract genetic material (DNA) from living organisms
(strawberries).
- X-Chem
Catapults and Flowers
Have you ever seen how a flower
can change colors? In this experiment, you will! Girl Scouts will
also participate in a demonstration of a catapult and will take home a
catapult kit to make and experiment on their own. This activity will
highlight the P&G product development cycle with a display
featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if
you lost the function of a part of your body? Could you eat with one
hand? Put your sweatshirt on? Use a phone? Learn how to create
adaptive equipment to assist mobility during everyday tasks.
-
Charter Care
*NEW* Designing for Coastal Change
Discover how waves
and sea level rise can impact coastal cities like Boston, and channel
your inner engineer by testing out different ways to help cities adapt
to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination
by trying to perform a surgical procedure! Try to grasp different
small items using a camera to guide your hand! Start by watching a
demonstration, and then give it a go yourself!
- Johnson &
Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a
bottlenose dolphin! Learn about dolphin anatomy and discover the
unique adaptations that dolphins have to their ocean
environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to
operate Stormgears' 2024 UNH district finalist robot! Participants
will pick up foam rings and shoot them out for other robot operators
to collect. Then, make your own Bristle Bot to race alongside your
fellow Girl Scouts. Bristle Bots will be provided for Daisies and
younger Brownies.
- Stormgears FRC
Water, Water, Everywhere!
Enjoy a hands-on demonstration
of a watershed, explore the different kinds of pollution that impact
Charles River, and learn about the importance of nature.
-
Charles River Watershed Association
*NEW* Building Blocks
Use blocks made from deconstructed
buildings to design your dream home or structure! This hands-on
exercise allows Girl Scouts to learn about architecture and
engineering by bringing their ideas to life.
- SA+C Inc
*NEW* Up, Up, and Away!
Elevate your paper airplane
skills and learn to trim them like pilots do! With a few cuts and
folds of paper, you’ll be a master of the paper skies. Finally, launch
your planes to test how well they fly.
- Boeing
STEM Career Exploration
STEM careers are for everyone. Use coloring pages to learn
about ways princesses use their STEM skills to make the world a better
place. Check back throughout the day to see our STEM vision
board!
- Ms. Massachusetts Elemental
Crafting Kaleidoscopes
Create your own kaleidoscope with household items. Explore how
light can reflect off a mirrored surface to create unique, symmetric
patterns!
- Society of Women Engineers Boston
Mazes and Marbles
Create a maze using craft sticks and marbles, and challenge
your fellow Girl Scouts to see who can navigate through it the
fastest!
- Suffolk
Need a Tissue?
Get a glimpse into how engineers think about creating synthetic
tissues for people who need them! Then, make one of your own by
building a model bone, crafting a heart, or assembling your own
cells.
- Tufts BME
Need for Speed
Do you think you can use plastic building blocks to build
something in less than a minute? Put your skills to the test with this
speedy engineering challenge! Compete by yourself or take things to
the next level by competing with another Girl Scout.
- RTX
Vaccine Cornhole
Face off in an epic battle between Team Virus and Team B cell
in a game of vaccine cornhole to learn how vaccines work to keep your
body healthy!
- MIT Biological Engineering
3D Printing in Action
You may have heard of 3D printing, but what can you do with it
and how do 3D printers work? Come learn how you can make almost
anything with a 3D printer, and then get your own 3D-printed
object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge
strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the
growth, development, and overall health of living organisms. Make a
bracelet that represents this code and follows the same rules as our
genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and
money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering
challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out
what GSEMA's STEM ON-THE-GO mobile learning center offers and learn
how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this
exciting hands-on activity! Using sustainable materials, participants
will create robots powered by motors, wires, and batteries while they
focus on building, design, and iteration. Then, test your creations'
strength and battle strategy. Let your creativity soar as you build
the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques
that scientists use in their field research, and learn about amphibian
conservation work locally and around the world!
- Woodhams Lab:
UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites,
centipedes, and other decomposers! Look at soil samples under the
microscope, learn what worms eat, and why decomposition is important
to growing food!
- Massachusetts Horticultural Society
Pedal Power
Move your body while learning about energy efficiency! Use
"pedal power" to learn the difference between LED and
incandescent bulbs, and the importance of saving energy.
- Eversource
Clothespin Cars
Construct a race car using clothespins and buttons, and use an
elastic band to propel it forward and compete with others.
- Suffolk
DIY Periscope
Use mirrors to peer around a corner! Make a periscope and learn
how light reflects and refracts, and find out how your creation is
similar to a microscope or a telescope.
- New England Sci Tech
*NEW* Go Ham (Radio)!
Come and master the art of amateur,
or ham, radio! Learn about the way hams use different kinds of radio
technology for public service, safety in an emergency, and fun. With
help from local ham radio operators, you can even send a radiogram
message home to your family!
- American Radio Relay League
*NEW* Light Up Your Brain
By engaging in certain activities, you can help your body
produce more feel-good chemicals! Learn which neurotransmitters make
you feel happy, energized, connected, rested, grounded, loved, and
more.
- She Thrives Therapy Solutions LLC
*NEW* Thermal Aura
Use thermal imaging cameras to see the different insulation
performance of different materials!
- Arup
Junior Activities (grades 4-5)
*NEW* Computers Don’t Have Eyes
How can a computer check if something is ready to come out of the oven if it doesn't have eyes? Turn cookies into numbers (and back into cookies), and learn how computers interact with objects in the real world.
- Kensho
Smart Dollhouse
Imagine a world where you could control every inch of your home with the touch of a button. Explore every possibility with our incredible "smart" dollhouse using buttons, motion sensors, and photocells.
- QSys
*NEW* World’s Strongest Straws
Drive a robot around a field and try to achieve various tasks with it! Work through the engineering design process by building a structure that can support a cup of pennies using only straws and tape. Challenge your peers to a friendly competition and try to build the structure that can support the most weight!
- Andover Robotics
*NEW* Doll-Sized Science
Learn about important women scientists throughout our history and observe the world on a small scale using paper microscopes and dolls!
- Graduate Women in Science and Engineering at BU
Hold Your Helmets
Have you ever had a concussion? Try on our concussion goggles to see what it feels like. Try out an obstacle course and see how difficult it is to complete basic tasks. After you come to this station, you’ll never forget to wear a helmet again!
- Boston Children’s Hospital
Strawberry DNA
When we think about genetics and biology, we usually aren’t thinking about a fruity summertime favorite. Learn what DNA is and how scientists study it by using common household objects to extract genetic material (DNA) from living organisms (strawberries).
- X-Chem
Catapults and Flowers
Have you ever seen how a flower can change colors? In this experiment, you will! Girl Scouts will also participate in a demonstration of a catapult and will take home a catapult kit to make and experiment on their own. This activity will highlight the P&G product development cycle with a display featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if you lost the function of a part of your body? Could you eat with one hand? Put your sweatshirt on? Use a phone? Learn how to create adaptive equipment to assist mobility during everyday tasks.
- Charter Care
*NEW* Designing for Coastal Change
Discover how waves and sea level rise can impact coastal cities like Boston, and channel your inner engineer by testing out different ways to help cities adapt to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination by trying to perform a surgical procedure! Try to grasp different small items using a camera to guide your hand! Start by watching a demonstration, and then give it a go yourself!
- Johnson & Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a bottlenose dolphin! Learn about dolphin anatomy and discover the unique adaptations that dolphins have to their ocean environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to operate Stormgears' 2024 UNH district finalist robot! Participants will pick up foam rings and shoot them out for other robot operators to collect. Then, make your own Bristle Bot to race alongside your fellow Girl Scouts. Bristle Bots will be provided for Daisies and younger Brownies.
- Stormgears FRC
Water, Water, Everywhere!
Enjoy a hands-on demonstration of a watershed, explore the different kinds of pollution that impact Charles River, and learn about the importance of nature.
- Charles River Watershed Association
*NEW* Building Blocks
Use blocks made from deconstructed buildings to design your dream home or structure! This hands-on exercise allows Girl Scouts to learn about architecture and engineering by bringing their ideas to life.
- SA+C Inc
*NEW* Up, Up, and Away!
Elevate your paper airplane skills and learn to trim them like pilots do! With a few cuts and folds of paper, you’ll be a master of the paper skies. Finally, launch your planes to test how well they fly.
- Boeing
Solar Bugs and Bristle Bots
Make a Bristle Bot or a Solar Bug! You can learn about motors, vibration, solar energy, and more as you assemble your new best friend.
- MIT Lincoln Laboratory
*NEW* Soak It Up!
Build and test your own period product prototypes using layers of different materials against superabsorbent polymer to see how each material holds liquids. Participants will learn about the science of absorption, material engineering, and product design while learning which combination works best for liquid retention and leak protection.
- Periodic
Crafting Kaleidoscopes
Create your own kaleidoscope with household items. Explore how light can reflect off a mirrored surface to create unique, symmetric patterns!
- Society of Women Engineers Boston
Mazes and Marbles
Create a maze using craft sticks and marbles, and challenge your fellow Girl Scouts to see who can navigate through it the fastest!
- Suffolk
Need a Tissue?
Get a glimpse into how engineers think about creating synthetic tissues for people who need them! Then, make one of your own by building a model bone, crafting a heart, or assembling your own cells.
- Tufts BME
Need for Speed
Do you think you can use plastic building blocks to build something in less than a minute? Put your skills to the test with this speedy engineering challenge! Compete by yourself or take things to the next level by competing with another Girl Scout.
- RTX
Vaccine Cornhole
Face off in an epic battle between Team Virus and Team B cell in a game of vaccine cornhole to learn how vaccines work to keep your body healthy!
- MIT Biological Engineering
3D Printing in Action
You may have heard of 3D printing, but what can you do with it and how do 3D printers work? Come learn how you can make almost anything with a 3D printer, and then get your own 3D-printed object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the growth, development, and overall health of living organisms. Make a bracelet that represents this code and follows the same rules as our genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out what GSEMA's STEM ON-THE-GO mobile learning center offers and learn how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this exciting hands-on activity! Using sustainable materials, participants will create robots powered by motors, wires, and batteries while they focus on building, design, and iteration. Then, test your creations' strength and battle strategy. Let your creativity soar as you build the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques that scientists use in their field research, and learn about amphibian conservation work locally and around the world!
- Woodhams Lab: UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites, centipedes, and other decomposers! Look at soil samples under the microscope, learn what worms eat, and why decomposition is important to growing food!
- Massachusetts Horticultural Society
Pedal Power
Move your body while learning about energy efficiency! Use "pedal power" to learn the difference between LED and incandescent bulbs, and the importance of saving energy.
- Eversource
Clothespin Cars
Construct a race car using clothespins and buttons, and use an elastic band to propel it forward and compete with others.
- Suffolk
DIY Periscope
Use mirrors to peer around a corner! Make a periscope and learn how light reflects and refracts, and find out how your creation is similar to a microscope or a telescope.
- New England Sci Tech
*NEW* Go Ham (Radio)!
Come and master the art of amateur, or ham, radio! Learn about the way hams use different kinds of radio technology for public service, safety in an emergency, and fun. With help from local ham radio operators, you can even send a radiogram message home to your family!
- American Radio Relay League
*NEW* Light Up Your Brain
By engaging in certain activities, you can help your body produce more feel-good chemicals! Learn which neurotransmitters make you feel happy, energized, connected, rested, grounded, loved, and more.
- She Thrives Therapy Solutions LLC
*NEW* Thermal Aura
Use thermal imaging cameras to see the different insulation performance of different materials!
- Arup
Build, Burn, Breathe
Take a deep breath and get ready to dive into the science of air! Build models using plastic building blocks to uncover the secrets of everyday air pollutants, and discover where they come from.
- MIT Biological Engineering
*NEW* Energy Efficient Dollhouse
This dollhouse needs your help! Increase this house's energy consumption grade by renovating it to be more energy efficient. Use your creative skills to make renovations out of the materials available and show us what updates you would make!
- Christa McAuliffe Center at Framingham State University
Mission: Drone
Prepare for an exciting drone-piloting adventure! Code drones to navigate obstacles and complete thrilling missions before switching to manual mode to put your piloting skills to the test. You'll be a master of the sky in no time with this exciting mix of coding, teamwork, and hands-on experience!
- Guild Hall Learning
*NEW* Shine Bright!
Explore the world of circuit planning! Build your own mini lighting circuit for a cardboard house, plan your electrical layout, install and connect, and learn how circuit planning impacts lighting throughout a structure.
- Arup
Cadette Activities (grades 6-8)
*NEW* Doll-Sized Science
Learn about important women scientists throughout our history and observe the world on a small scale using paper microscopes and dolls!
- Graduate Women in Science and Engineering at BU
Hold Your Helmets
Have you ever had a concussion? Try on our concussion goggles to see what it feels like. Try out an obstacle course and see how difficult it is to complete basic tasks. After you come to this station, you’ll never forget to wear a helmet again!
- Boston Children’s Hospital
Strawberry DNA
When we think about genetics and biology, we usually aren’t thinking about a fruity summertime favorite. Learn what DNA is and how scientists study it by using common household objects to extract genetic material (DNA) from living organisms (strawberries).
- X-Chem
Catapults and Flowers
Have you ever seen how a flower can change colors? In this experiment, you will! Girl Scouts will also participate in a demonstration of a catapult and will take home a catapult kit to make and experiment on their own. This activity will highlight the P&G product development cycle with a display featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if you lost the function of a part of your body? Could you eat with one hand? Put your sweatshirt on? Use a phone? Learn how to create adaptive equipment to assist mobility during everyday tasks.
- Charter Care
*NEW* Designing for Coastal Change
Discover how waves and sea level rise can impact coastal cities like Boston, and channel your inner engineer by testing out different ways to help cities adapt to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination by trying to perform a surgical procedure! Try to grasp different small items using a camera to guide your hand! Start by watching a demonstration, and then give it a go yourself!
- Johnson & Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a bottlenose dolphin! Learn about dolphin anatomy and discover the unique adaptations that dolphins have to their ocean environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to operate Stormgears' 2024 UNH district finalist robot! Participants will pick up foam rings and shoot them out for other robot operators to collect. Then, make your own Bristle Bot to race alongside your fellow Girl Scouts. Bristle Bots will be provided for Daisies and younger Brownies.
- Stormgears FRC
Water, Water, Everywhere!
Enjoy a hands-on demonstration of a watershed, explore the different kinds of pollution that impact Charles River, and learn about the importance of nature.
- Charles River Watershed Association
*NEW* Building Blocks
Use blocks made from deconstructed buildings to design your dream home or structure! This hands-on exercise allows Girl Scouts to learn about architecture and engineering by bringing their ideas to life.
- SA+C Inc
*NEW* Up, Up, and Away!
Elevate your paper airplane skills and learn to trim them like pilots do! With a few cuts and folds of paper, you’ll be a master of the paper skies. Finally, launch your planes to test how well they fly.
- Boeing
Solar Bugs and Bristle Bots
Make a Bristle Bot or a Solar Bug! You can learn about motors, vibration, solar energy, and more as you assemble your new best friend.
- MIT Lincoln Laboratory
*NEW* Soak It Up!
Build and test your own period product prototypes using layers of different materials against superabsorbent polymer to see how each material holds liquids. Participants will learn about the science of absorption, material engineering, and product design while learning which combination works best for liquid retention and leak protection.
- Periodic
3D Printing in Action
You may have heard of 3D printing, but what can you do with it and how do 3D printers work? Come learn how you can make almost anything with a 3D printer, and then get your own 3D-printed object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the growth, development, and overall health of living organisms. Make a bracelet that represents this code and follows the same rules as our genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out what GSEMA's STEM ON-THE-GO mobile learning center offers and learn how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this exciting hands-on activity! Using sustainable materials, participants will create robots powered by motors, wires, and batteries while they focus on building, design, and iteration. Then, test your creations' strength and battle strategy. Let your creativity soar as you build the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques that scientists use in their field research, and learn about amphibian conservation work locally and around the world!
- Woodhams Lab: UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites, centipedes, and other decomposers! Look at soil samples under the microscope, learn what worms eat, and why decomposition is important to growing food!
- Massachusetts Horticultural Society
Pedal Power
Move your body while learning about energy efficiency! Use "pedal power" to learn the difference between LED and incandescent bulbs, and the importance of saving energy.
- Eversource
Clothespin Cars
Construct a race car using clothespins and buttons, and use an elastic band to propel it forward and compete with others.
- Suffolk
DIY Periscope
Use mirrors to peer around a corner! Make a periscope and learn how light reflects and refracts, and find out how your creation is similar to a microscope or a telescope.
- New England Sci Tech
*NEW* Go Ham (Radio)!
Come and master the art of amateur, or ham, radio! Learn about the way hams use different kinds of radio technology for public service, safety in an emergency, and fun. With help from local ham radio operators, you can even send a radiogram message home to your family!
- American Radio Relay League
*NEW* Light Up Your Brain
By engaging in certain activities, you can help your body produce more feel-good chemicals! Learn which neurotransmitters make you feel happy, energized, connected, rested, grounded, loved, and more.
- She Thrives Therapy Solutions LLC
*NEW* Thermal Aura
Use thermal imaging cameras to see the different insulation performance of different materials!
- Arup
Build, Burn, Breathe
Take a deep breath and get ready to dive into the science of air! Build models using plastic building blocks to uncover the secrets of everyday air pollutants, and discover where they come from.
- MIT Biological Engineering
*NEW* Energy Efficient Dollhouse
This dollhouse needs your help! Increase this house's energy consumption grade by renovating it to be more energy efficient. Use your creative skills to make renovations out of the materials available and show us what updates you would make!
- Christa McAuliffe Center at Framingham State University
Mission: Drone
Prepare for an exciting drone-piloting adventure! Code drones to navigate obstacles and complete thrilling missions before switching to manual mode to put your piloting skills to the test. You'll be a master of the sky in no time with this exciting mix of coding, teamwork, and hands-on experience!
- Guild Hall Learning
*NEW* Shine Bright!
Explore the world of circuit planning! Build your own mini lighting circuit for a cardboard house, plan your electrical layout, install and connect, and learn how circuit planning impacts lighting throughout a structure.
- Arup
Senior Activities (grades 9-10)
*NEW* Doll-Sized Science
Learn about important women
scientists throughout our history and observe the world on a small
scale using paper microscopes and dolls!
- Graduate Women in
Science and Engineering at BU
Hold Your Helmets
Have you ever had a concussion? Try on
our concussion goggles to see what it feels like. Try out an obstacle
course and see how difficult it is to complete basic tasks. After you
come to this station, you’ll never forget to wear a helmet
again!
- Boston Children’s Hospital
Strawberry DNA
When we think about genetics and biology,
we usually aren’t thinking about a fruity summertime favorite. Learn
what DNA is and how scientists study it by using common household
objects to extract genetic material (DNA) from living organisms
(strawberries).
- X-Chem
Catapults and Flowers
Have you ever seen how a flower
can change colors? In this experiment, you will! Girl Scouts will
also participate in a demonstration of a catapult and will take home a
catapult kit to make and experiment on their own. This activity will
highlight the P&G product development cycle with a display
featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if
you lost the function of a part of your body? Could you eat with one
hand? Put your sweatshirt on? Use a phone? Learn how to create
adaptive equipment to assist mobility during everyday tasks.
-
Charter Care
*NEW* Designing for Coastal Change
Discover how waves
and sea level rise can impact coastal cities like Boston, and channel
your inner engineer by testing out different ways to help cities adapt
to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination
by trying to perform a surgical procedure! Try to grasp different
small items using a camera to guide your hand! Start by watching a
demonstration, and then give it a go yourself!
- Johnson &
Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a
bottlenose dolphin! Learn about dolphin anatomy and discover the
unique adaptations that dolphins have to their ocean
environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to
operate Stormgears' 2024 UNH district finalist robot! Participants
will pick up foam rings and shoot them out for other robot operators
to collect. Then, make your own Bristle Bot to race alongside your
fellow Girl Scouts. Bristle Bots will be provided for Daisies and
younger Brownies.
- Stormgears FRC
Water, Water, Everywhere!
Enjoy a hands-on demonstration
of a watershed, explore the different kinds of pollution that impact
Charles River, and learn about the importance of nature.
-
Charles River Watershed Association
*NEW* Building Blocks
Use blocks made from deconstructed
buildings to design your dream home or structure! This hands-on
exercise allows Girl Scouts to learn about architecture and
engineering by bringing their ideas to life.
- SA+C Inc
*NEW* Up, Up, and Away!
Elevate your paper airplane
skills and learn to trim them like pilots do! With a few cuts and
folds of paper, you’ll be a master of the paper skies. Finally, launch
your planes to test how well they fly.
- Boeing
Solar Bugs and Bristle Bots
Make a Bristle Bot or a
Solar Bug! You can learn about motors, vibration, solar energy, and
more as you assemble your new best friend.
- MIT Lincoln Laboratory
*NEW* Soak It Up!
Build and test your own period product
prototypes using layers of different materials against superabsorbent
polymer to see how each material holds liquids. Participants will
learn about the science of absorption, material engineering, and
product design while learning which combination works best for liquid
retention and leak protection.
- Periodic
3D Printing in Action
You may have heard of 3D printing, but what can you do with it
and how do 3D printers work? Come learn how you can make almost
anything with a 3D printer, and then get your own 3D-printed
object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge
strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the
growth, development, and overall health of living organisms. Make a
bracelet that represents this code and follows the same rules as our
genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and
money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering
challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out
what GSEMA's STEM ON-THE-GO mobile learning center offers and learn
how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this
exciting hands-on activity! Using sustainable materials, participants
will create robots powered by motors, wires, and batteries while they
focus on building, design, and iteration. Then, test your creations'
strength and battle strategy. Let your creativity soar as you build
the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques
that scientists use in their field research, and learn about amphibian
conservation work locally and around the world!
- Woodhams Lab:
UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites,
centipedes, and other decomposers! Look at soil samples under the
microscope, learn what worms eat, and why decomposition is important
to growing food!
- Massachusetts Horticultural Society
Clothespin Cars
Construct a race car using clothespins and buttons, and use an
elastic band to propel it forward and compete with others.
- Suffolk
DIY Periscope
Use mirrors to peer around a corner! Make a periscope and learn
how light reflects and refracts, and find out how your creation is
similar to a microscope or a telescope.
- New England Sci Tech
*NEW* Go Ham (Radio)!
Come and master the art of amateur,
or ham, radio! Learn about the way hams use different kinds of radio
technology for public service, safety in an emergency, and fun. With
help from local ham radio operators, you can even send a radiogram
message home to your family!
- American Radio Relay League
*NEW* Light Up Your Brain
By engaging in certain activities, you can help your body
produce more feel-good chemicals! Learn which neurotransmitters make
you feel happy, energized, connected, rested, grounded, loved, and
more.
- She Thrives Therapy Solutions LLC
*NEW* Thermal Aura
Use thermal imaging cameras to see the different insulation
performance of different materials!
- Arup
Build, Burn, Breathe
Take a deep breath and get ready to dive into the science of
air! Build models using plastic building blocks to uncover the secrets
of everyday air pollutants, and discover where they come from.
-
MIT Biological Engineering
*NEW* Energy Efficient Dollhouse
This dollhouse needs your help! Increase this house's energy
consumption grade by renovating it to be more energy efficient. Use
your creative skills to make renovations out of the materials
available and show us what updates you would make!
- Christa
McAuliffe Center at Framingham State University
Mission: Drone
Prepare for an exciting drone-piloting adventure! Code drones
to navigate obstacles and complete thrilling missions before switching
to manual mode to put your piloting skills to the test. You'll be a
master of the sky in no time with this exciting mix of coding,
teamwork, and hands-on experience!
- Guild Hall Learning
*NEW* Shine Bright!
Explore the world of circuit planning! Build your own mini
lighting circuit for a cardboard house, plan your electrical layout,
install and connect, and learn how circuit planning impacts lighting
throughout a structure.
- Arup
Ambassador Activities (grades 11-12)
Catapults and Flowers
Have you ever seen how a flower can change colors? In this experiment, you will! Girl Scouts will also participate in a demonstration of a catapult and will take home a catapult kit to make and experiment on their own. This activity will highlight the P&G product development cycle with a display featuring women engineers who have worked on P&G products.
- P&G Gillette
*NEW* Adapt and Overcome
How would your life change if you lost the function of a part of your body? Could you eat with one hand? Put your sweatshirt on? Use a phone? Learn how to create adaptive equipment to assist mobility during everyday tasks.
- Charter Care
*NEW* Designing for Coastal Change
Discover how waves and sea level rise can impact coastal cities like Boston, and channel your inner engineer by testing out different ways to help cities adapt to beach erosion and climate change.
- Stone Living Lab
*NEW* Ultimate Operation
Test your hand-eye coordination by trying to perform a surgical procedure! Try to grasp different small items using a camera to guide your hand! Start by watching a demonstration, and then give it a go yourself!
- Johnson & Johnson MedTech (DePuy Synthes)
Dolphin Anatomy
Meet Echo, a life-sized model of a bottlenose dolphin! Learn about dolphin anatomy and discover the unique adaptations that dolphins have to their ocean environment.
- Whale and Dolphin Conservation
*NEW* Robot Palooza
It's all about robots! Learn to operate Stormgears' 2024 UNH district finalist robot! Participants will pick up foam rings and shoot them out for other robot operators to collect. Then, make your own Bristle Bot to race alongside your fellow Girl Scouts. Bristle Bots will be provided for Daisies and younger Brownies.
- Stormgears FRC
*NEW* Building Blocks
Use blocks made from deconstructed buildings to design your dream home or structure! This hands-on exercise allows Girl Scouts to learn about architecture and engineering by bringing their ideas to life.
- SA+C Inc
*NEW* Up, Up, and Away!
Elevate your paper airplane skills and learn to trim them like pilots do! With a few cuts and folds of paper, you’ll be a master of the paper skies. Finally, launch your planes to test how well they fly.
- Boeing
Solar Bugs and Bristle Bots
Make a Bristle Bot or a Solar Bug! You can learn about motors, vibration, solar energy, and more as you assemble your new best friend.
- MIT Lincoln Laboratory
*NEW* Soak It Up!
Build and test your own period product prototypes using layers of different materials against superabsorbent polymer to see how each material holds liquids. Participants will learn about the science of absorption, material engineering, and product design while learning which combination works best for liquid retention and leak protection.
- Periodic
3D Printing in Action
You may have heard of 3D printing, but what can you do with it and how do 3D printers work? Come learn how you can make almost anything with a 3D printer, and then get your own 3D-printed object!
- Formlabs
Bridges!
Check out realistic model bridges and learn what makes a bridge strong!
- Boston Society of Civil Engineers
DNA Bracelets
DNA is the genetic code that plays a crucial role in the growth, development, and overall health of living organisms. Make a bracelet that represents this code and follows the same rules as our genes.
- New England Bio Labs
In Our Energy Era
Explore energy and conservation! Learn how to save energy and money at home, and make a new bracelet for your energy era.
- Eversource
Race a Robot
Check out a real-life robot and complete a fun engineering challenge!
- Littleton Robotics FRC 6328
Ready, Set, STEM-ON-THE-GO
Get STEM programming delivered straight to your door! Check out what GSEMA's STEM ON-THE-GO mobile learning center offers and learn how to request it for your troop meeting.
- GSEMA
Robot Battles
Get ready to design and build your own combat robot in this exciting hands-on activity! Using sustainable materials, participants will create robots powered by motors, wires, and batteries while they focus on building, design, and iteration. Then, test your creations' strength and battle strategy. Let your creativity soar as you build the ultimate mechanical warrior!
- Guild Hall Learning
Slimy Swabs
Search for and catch (toy) amphibians, practice swab techniques that scientists use in their field research, and learn about amphibian conservation work locally and around the world!
- Woodhams Lab: UMass Boston Biology Department
Squirmy Wormy
Get up-close and personal with worms, pill bugs, mites, centipedes, and other decomposers! Look at soil samples under the microscope, learn what worms eat, and why decomposition is important to growing food!
- Massachusetts Horticultural Society
Clothespin Cars
Construct a race car using clothespins and buttons, and use an elastic band to propel it forward and compete with others.
- Suffolk
DIY Periscope
Use mirrors to peer around a corner! Make a periscope and learn how light reflects and refracts, and find out how your creation is similar to a microscope or a telescope.
- New England Sci Tech
*NEW* Go Ham (Radio)!
Come and master the art of amateur, or ham, radio! Learn about the way hams use different kinds of radio technology for public service, safety in an emergency, and fun. With help from local ham radio operators, you can even send a radiogram message home to your family!
- American Radio Relay League
*NEW* Light Up Your Brain
By engaging in certain activities, you can help your body produce more feel-good chemicals! Learn which neurotransmitters make you feel happy, energized, connected, rested, grounded, loved, and more.
- She Thrives Therapy Solutions LLC
*NEW* Thermal Aura
Use thermal imaging cameras to see the different insulation performance of different materials!
- Arup
Build, Burn, Breathe
Take a deep breath and get ready to dive into the science of air! Build models using plastic building blocks to uncover the secrets of everyday air pollutants, and discover where they come from.
- MIT Biological Engineering
*NEW* Energy Efficient Dollhouse
This dollhouse needs your help! Increase this house's energy consumption grade by renovating it to be more energy efficient. Use your creative skills to make renovations out of the materials available and show us what updates you would make!
- Christa McAuliffe Center at Framingham State University
Mission: Drone
Prepare for an exciting drone-piloting adventure! Code drones to navigate obstacles and complete thrilling missions before switching to manual mode to put your piloting skills to the test. You'll be a master of the sky in no time with this exciting mix of coding, teamwork, and hands-on experience!
- Guild Hall Learning
*NEW* Shine Bright!
Explore the world of circuit planning! Build your own mini lighting circuit for a cardboard house, plan your electrical layout, install and connect, and learn how circuit planning impacts lighting throughout a structure.
- Arup
Download the 2025 STEM Fest Activities List (as of April 2, 2025)
Note: Many more workshops will be added to the list of activities for STEM Fest 2025. Please check back often for updates.
Thank you to our sponsors
Eversource
Calling All STEM Enthusiasts!
Share your love for STEM with Girl Scouts! We are looking for passionate individuals to lead hands-on activities or demonstrations of their choice at our annual STEM Fest.
APPLY TODAY