Azalia Yazzie speeds down the big slide at Civic Space Park during the 2019 Downtown Phoenix campus Open Door on Feb. 9.

From left: Emily Reza and her sister Casey listen to Alyssa Anderson, health sciences senior in the College of Health Solutions, as she explains the different life in the salt water tank during Open Door.

Andres Bustos tries polarizing glass with ASU junior Alicia Coberly in the physics lab during Open Door.

Kids and parents learn about static electricity with the Van de Graaff generator during the 2019 Downtown Phoenix campus Open Door.

From left: ASU alumni Dani Carloni and her sister Allie Carloni learn about fingerprints and that they have "plain loops," the most common type.

Stephanie Martin and her daughter Julie pose for a "booking" photo at the ASU Police Department booth.

Amy Marcon and Jamarreus Alexander play basketball in Civic Space Park during Open Door.

LeAnn Holguin and her son Ezra Holguin get their names written in Arabic on a bookmark at Open Door.

Thunderbird School of Global Management student Hikari Hirata assists Elisa Bramer with making a kitty in origami.

Thunderbird students Yully Durwono (left) and Vasilina Safronova represent Indonesia and Russia during the 2019 Downtown Phoenix campus Open Door.

From left: Margaret Boivin, Cathy Boivin, Logan McDaniel and her son Bryce, and Anthony McDoyle watch as their tile craft is set on fire to cure.

Katie Havard holds a sheep brain at the booth of the Autism and Brain Aging Laboratory during Open Door.

ASU alumna Jana Reisslein (left) listens through headphones as she goes through a hearing test with Master of Science in communication disorders student Nicole Flournory at the College of Health Solutions.

Graham Sawicki listens to the "heart beat" of a Student Auscultation Manikin along with fellow Doctor of Nursing Practice students Amanda McFarland and Rey Manalese at Health North.

Dorian Belcher drives the Cronkite Beam robot at the ASU Downtown Phoenix Open Door.

Mark Taylor, owner of Extreme Aerial Productions, explains drone piloting to a group of visitors.

Deontá Smith and his daughter Rosa-Lee look at starfish at the ASU Downtown Phoenix campus Open Door.

Vihaan and Pushpa Gade learn about DNA.

Bella Rojas hula hoops in Civic Space Park during Open Door.

Leo Lee completes a block puzzle game at the Downtown Phoenix Open Door event.