Past Exhibit Examples

Get ready to dive into the exciting world of STEM at our upcoming festival, where Science, Technology, Engineering, and Mathematics come to life for students and families across eastern Iowa! This vibrant celebration isn't just about fun—it's about sparking a passion for learning and discovery in the next generation. Together, we’ll explore hands-on activities that fuel curiosity and highlight the amazing career opportunities waiting in the STEM fields. Join us for a day filled with inspiration, laughter, and the chance to envision a bright future in STEM—because who knows? The next great innovator could be right around the corner!

 

Please keep these guidelines in mind while planning for a successful STEM festival:

  • No sales activities—the focus is on inspiring STEM learning and discovery.
  • Painters’ tape is the only tape allowed on the floor or walls.
  • Oil of any kind (motor oil, vegetable oil, etc.) is prohibited.
  • Glitter is not allowed at exhibits.
  • No open flames are permitted.
  • If you're bringing live animals, you must get prior approval from the planning committee.
  • Drones are only allowed with prior approval from the planning committee.

 

The Northeast Iowa STEM Hub has gathered various exhibit examples for the following business sectors:

Below are past examples of activities from various different sectors:

 

 

AGRICULTURE

   

John Deere             

Participants measured the power needed to pull the machinery through wet sand.

Photo of John Deere exhibit.

 

ARCHITECTURE & ENGINEERING

   

Origin Design

Origin Design brought a hands-on activity for kids to be able to use Lego duplos to build a retaining wall and see if their design collapses / fails . This activity is designed to get kids thinking about designing. How high of a wall can they build? How can we backfill to give stability?

Photo of Origin Design exhibit.

IMEG

Participants were challenged to build the tallest tower out of paper.

Photo of IMEG exhibit.

Girls Scouts

Participants worked together to build a straw building with the local girls scouts.

Photo of Girls Scouts Exhibit.

Girls Scouts

By using toothpicks and gum drops, participants created a model of a cube.

Participants worked with Girls Scouts to build structures.

ISG                      

ISG had participants build towers out of foam blocks. Structural stability was determined utilizing a fan to withstand a horizontal wind force.

Photo of ISG exhibit.

Collins Aerospace 

Participants were able to talk with volunteers about how different aerospace machines work and got the opportunity to test them out. They were also able to make cutout airplanes to take home.

Participants were able to learn about different aerospace techonology and take home a paper airplane.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

COMPUTER SCIENCE

   
 

Upper Iowa University

Participants operated a GoPro camera and a Wacom tablet to test their graphic design skills.

 

Two little girls play with graphic design software on a Wacom.

 

CONSTRUCTION

   

Hawkeye Community College

Attendees got the opportunity to feel what it is like to be in the driver's seat behind some big machinery that would often be used on construction sites.

Boy is able use a simulator to practice driving an excavator.

Waterloo Career Center     

Participants got the opportunity to use drills and other tools to perform basic construction skills.

Boys work with volunteer to screw nails into wood boards.

 

ENERGY & UTILITIES

   

East Penn        

By using Snap Circuits, East Penn had participants wire various items to replicate the flow of energy in a battery.

Photo of East Penn Exhibit.

 

ENVIRONMENTAL

   

Black Hawk County Conservation & Soil

Black Hawk Co. Soil & Water Conservation brought a soil erosion rainfall simulator and an Enviroscape watershed model on display to teach students about the connection between storm water, soil erosion, water quality, and what they can do to help protect water in our community.

Little boy works with conservationist to discuss about plants.

Green Iowa AmeriCorps

Attendees were quizzed on their leaf identification skills and were challenged to identify differences.

Green Iowa AmeriCorps

Hartman Reserve

Students got the opportunity to look at various different furs and shells to attempt to guess what animals they belonged to.

Hartman Reserve

 

FINANCIAL

   

Community Bank of Oelwein      

Participants participated in a ring toss using pop bottles. Place on top of bottles were various coin amounts. Participants were asked to calculate the total. If correct, the participant won a prize.

Photo of Community Bank of Oelwein exhibit.

First Bank

Attendees learned how to write checks with First Bank. They then were able to practice writing checks on a giant dry erase check.

Attendees were able to practice writing checks with First Bank.

 

GENERAL

   

Iowa Public Television        

Participants replicated shapes using tangrams.

Participants are playing with tangrams.
 

Loras College Math

Using dice and cards, attendees were able to play a probability game and were challenged to beat the exhibitors.

Loras College Math

 

LAW ENFORCEMENT/FIRE & RESCUE

   

Fayette Co. Sheriff Department

Fayette Co. Sheriff Dept. showed attendees the technology utilized by law enforcement everyday.

County Sheriffs talking with participants.

Dubuque Police

Participants explored a Dubuque Police Department patrol vehicle.

Boy explores a police car.

Waterloo Fire & Rescue

Participants were able to test out their firefighter skills with rope rescue equipment and a demo called "HazMat ID Mass Spectrometer" with the Waterloo Fire and Rescue.

          Little boy works with firefighters to pull the rescue board.

UNI STEM

Participants were involved in an investigation to find the missing mascot using chromatography.

UNI STEM shows attendees how to use chromotography.

Manchester Police Department

Participants got the opportunity to put on goggles to simulate the effects of impairment and attempt to do a set of tasks.

Girl attempts to walk in a straight line, while simulating the effects of alcohol.

Dubuque Police Department

Participants were able to test their speed with the Dubuque Police Department to track how fast they could run using a radar gun.

Boy runs while the officer uses a radar gun to track his speed.

 

MANUFACTURING

   

Viking Pump

Participants operated various pumps with Viking Pump. When the water reached the top, the column lit up. They also brought moving pump demos and examples of liquids that they pump.

Boy uses his muscles to try to pump as much water as he can.

John Deere

Participants welded with a virtual reality tool.

Little boy uses virtual reality to replicate what it is like to weld.

Geater (GMM)

Participants measured the diameter of a circle utilizing different tools.

Little girl uses tools to measure the diameter of an opening.

John Deere

Participants measured the power needed to pull the machinery through wet sand.

Girl tests to see how much power it takes to pull the tractor through sand.

Fusion Products

Participants operated on the computers to test their knowledge of measuring by playing a ruler game with Fusion Products.

Students playing on a computer to learn about measuring.

Bodine Electric

Bodine Electric had participants build low voltage (5 volts) electric motors.

Participants building a motor with various different parts.

Engineering Services and Products

Engineering Services and Products had a demonstration on hydroponic growing, and an activity of building structures out of spaghetti and marshmallows.

Students learning about hydroponics and building structures.

Bayer Crop Science

Bayer Crop Science had various different activities for participants to interact with to demonstrate Bernoulli's Principle, including making vapor rings with trash can to show air flow.

Bayer Crop Science teaches students about Bernoulli's principle.

 

MEDICAL

   

Regional Health Services of Howard County      

Regional Health Services of Howard County used an IPad and a 12 inch platform to show participants all the different part of the body that they used during their jump.

Little girl jumping while man is taping her.

NICC Nursing

Participants navigated various syringes by pulling water out of a bowl and measured the liquid in the syringe.

Female participant works with exhibitor to measure the amount of liquid in the syringe.

MercyOne

MercyOne operated a small ultrasound machine to view their arteries and veins.

Nurse is working with participants to show them about ultrasounds.

University of Iowa Medical

UI Health Care provided interactive medical activities. Activities included; laparoscopic surgery. Kids had the opportunity to try their hand at minimally invasive laparoscopic surgery.

U of I student works with participants and laparoscopic surgery tools.

Paramount Ambulances

Paramedic teaches participants about all the different medical equipment that is used during their job.

Paramedic is showing off all the tools they use.

Ideal Chiropractic

Children had the opportunity to create a spine out of noodles with Ideal Chiropractic.

Chiropractor shows participants the human spine.

MercyOne Dubuque

Students were taught how to "Stop The Bleed" with MercyOne. They got the opportunity to apply a tourniquet to a dummy to practice their life saving skills.

MercyOne

Cedar Falls CAPS Medical

Students and families were taught how to listen to their own heartbeat and how the heart works.

Cedar Falls CAPS Medical

Northeast Iowa Community College Radiology

Attendees were shown different x-rays and were challenged to see what was wrong with the x-ray and learn how x-rays work.

NICC Radiology