Jason Hoerner, with the Dubuque Police Department, shows Evan Bibb, 8, of Dubuque, the inside of a police car during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Ava Harrison, 9, of Dubuque, looks through a microscope during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Grace Kurt (far right), 8, of Dubuque, looks at a Russian tortoise during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Ty Putchio, with John Deere Dubuque Works, helps Rori Leifker, 6, of Dubuque, with a welding simulation during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Nora Kurt (left), 10, and Grace Kurt, 8, both of Dubuque, look at a bearded dragon and a Russian tortoise during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Beckett Wright, 8, of Dubuque, maneuvers a car with a remote control during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY

Mason Grimes, 8, of Dubuque, mixes corn starch and water during an experiment during the Dubuque Area Family STEM Festival at University of Dubuque on Thursday, April 7, 2022. PHOTO CREDIT: JESSICA REILLY