There are many activities in Utah that you can do with the kids, from interactive museums to zoos and aquariums. Three family activities to do with the kids include playing at Discovery Gateway, learning about aquatic animals at the Loveland Living Planet Aquarium, and learning about science at the Clark Planetarium.
Discovery Gateway
Photo of Discovery Gateway taken by LoneStarMike under the license of CC BY 3.0.
Discovery Gateway is a museum that provides interactive exhibits focusing on collaboration, problem solving, design, and creativity. Children can learn about financial literacy through The First Utah Bank Discovery Bank exhibit, experience the thrill of competition through the STEAM Studio and STEAM Lab, and discover the importance of bees through The Garden exhibit, among many more things.
Loveland Living Planet Aquarium

Photo of Shark Tunnel taken by the user Charles (Chuck) Peterson under the license of CC BY-NC 2.0.
The Loveland Living Planet Aquarium is home to more than 4,000 animals from around the world and features five unique ecosystems to explore: Expedition Asia, Ocean Explorer, Discover Utah, Antarctic Adventure, and Journey to South America. Discover a variety of species, from Binturongs from South Asia to glowing sea jellyfish from Antarctica.
Clark Planetarium

Photo of Clark Planetarium taken by An Errant Knight under the license of CC BY-SA 4.0.
Clark Planetarium is one of the best family attractions in Utah. This museum includes three floors of free, interactive exhibits in which children can do things such as stepping inside of a simulated tornado and preventing asteroids from hitting Earth in a fun game. The second floor also features various films, with tickets ranging from $7-$9 depending on age.