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Tohono Chul: Nature Journaling

Tohono Chul 7366 N. Paseo Del Norte, Tucson

This casual meet-up is perfect for those who enjoy going outside, sketching, observing, and meeting fellow nature enthusiasts. Join the Southern Arizona Nature Journal Club to learn about Nature Journaling, and immerse yourself in the natural world. The group meets at our park’s entrance at 8 am and explores a different aspect of the park...

Free with Admission

Northern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit

Northern Arizona University Cline Library 1001 S. Knoles Dr., Flagstaff

Northern Arizona is home to the world’s largest continuous stand of ponderosa pine forest, and the import and impact of its valuable timber is deeply woven into the region’s history. Visitors can trace the story of the region’s forests, from the ancestral environmental care practices of the region’s Indigenous communities to the founding of the...

Free

Maricopa County Parks and Recreation: Beginning Birders Hike

Hassayampa River Preserve 49614 U.S. Hwy. 60 89, Wickenburg

Join Ranger Kevin for an introduction to birding in one of Arizona’s premiere birding locations.   Enjoy a roughly 2-mile walk on the Palm Lake, Mesquite Meander, Lions, and Willow Walkway trails. We’ll cover birding basics, from tools and equipment to bird identification tips and strategies. Trails are rated easy, although thick sand is possible in...

Free with Park Fee

Arizona State Parks and Trails: Daily Guided Nature Hikes at Red Rock

Red Rock State Park 4050 Red Rock Loop Rd., Sedona

Every morning, a volunteer naturalist leads a guided nature walk informing visitors about the different life zones of Red Rock State Park. The subjects discussed on this walk may include geology, wildlife, history, archeology, and plant life. The naturalists welcome questions during the walk, enhancing the learning experience. Hikes are included with park entrance fees...

Free with Park Fee

Maricopa County Parks and Recreation: Discovery Station – Be a Citizen Scientist!

Hassayampa River Preserve 49614 U.S. Hwy. 60 89, Wickenburg

Stop by an information table where Ranger Kevin will teach you how to use your phone to identify and document your nature findings to help the scientific community.   Ranger Kevin host a drop-in information table to get you on your way to becoming a Citizen Scientist using the free iNaturalist app that identifies and documents...

Free with Park Fee

The University of Arizona: Richard F. Caris Mirror Lab Tour

The University of Arizona Steward Observatory 933 N. Cherry Ave., Tucson

This 90-minute tour provides a unique opportunity to learn how innovative engineering and optical technology melds with manufacturing techniques to produce the largest and most advanced giant (8.4 meters / 27 ft)  telescope mirrors in the world on the University of Arizona campus. Visitors will see the unparalleled technology and revolutionary processes in making the...

$20 – $25

Pima County Public Library: T.n.T. – TECH

Pima County Public Library - Wheeler Taft Abbett Sr. Library 7800 N. Schisler Dr., Tucson

After school activities with a focus on technologies for teens only. We'll have robotics and 3D printers and vinyl-cutters available as well as smaller tech projects based on available supplies. Ages 12 to 18.

Free

Flandrau Science Center & Planetarium: INCOMING!

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Narrated by George Takei, Incoming! explores asteroids, comets, and meteors. Viewers will embark on a dynamic journey and get an up close look at the advanced technologies that allow scientists to detect asteroids. Audience: General, all ages Style: Fulldome show followed by an OSIRIS-REx talk   Planetarium Tickets Adults: $14 Children (ages 3-15): $10 Children ages 2 and under:...

Free – $14

Pima County Public Library: GED Prep by Literacy Connects

Pima County Public Library - Flowing Wells Library 1730 W. Wetmore Rd., Tucson

This class will help participants improve their reading, writing, math, and critical thinking skills, all of which are necessary to increase their chances of success on their GED exams. The class will be taught in English. Instruction can include assignments, traditional lectures, and interactive practice. Participants should be 16+ Minimum requirements: Notebook and something to...

Free

Scottsdale Public Library: Arizona Birds of Prey

Scottsdale Public Library - Arabian Library 10215 E. McDowell Mountain Ranch Rd., Scottsdale

Come and meet some amazing birds of prey that are native to Arizona. Presenters from Liberty Wildlife will teach us about the history, habitat, preservation and safety of each animal....

Free

Maricopa County Library District: Worm Farm 101 for Teens

MCLDAZ - Queen Creek Library 21802 S. Ellsworth Rd., Queen Creek

Celebrate Earth Day at the Library this week! Join us as we learn about the power of worms in helping make soil healthier for your plants. Princess Gardens will teach us all about vermicomposting in this hands on workshop. Be prepared to get a little dirty. Ages 13 - 18

Free

Surprise Public Library: Teen and Tween S.T.E.A.M.

Surprise Public Library - Asante Library 16755 W. Vereda Solana Dr., Surprise

Come explore hands on S.T.E.A.M. activities at the Asante Library where we’ll investigate all things Science, Technology, Engineering, Arts and Math.

Free

Flandrau Science Center & Planetarium: Tucson Sky & Beyond

Flandrau Science Center & Planetarium 1601 E. University Blvd., Tucson

Take a relaxing look at the night sky as one of our skilled "Console Captains" gives you a guided tour of the stars, planets, constellations and current events happening in the night sky. Audience: General, all ages Style: Live presentation about constellations and astronomy Planetarium Tickets Adults: $14 Children (ages 3-15): $10 Children ages 2 and under:...

Free – $14

Phoenix Public Library: Brick Builders

Phoenix Public Library - Palo Verde Library 4402 N. 51st Ave., Phoenix

Visit Palo Verde for an hour of LEGO brick building! Participants can take on a LEGO challenge, follow a theme, or assemble their own creations! Program held every Thursday from 4:00pm to 5:00pm.

Free

Pima County Public Library: Teen & Tween Tech Thursdays

Pima County Public Library - Woods Memorial Library 3455 N. First Ave., Tucson

Come over to the Woods library and play with robots, explore video and audio editing or check out some of our video and board games! Every 1st and 4th Thursday of the month.

Free

Science Vortex Verde Valley: Makerspace Family Night

Science Vortex 301 N. Willard St., Cottonwood

Families are welcome every Thursday to design, create, and collaborate! Try out sewing, animating, programming, inventing, and more! Join us to CrEaTE! Every Thursday. Every Thursday, 4:30-6:00 Free thanks to generous support from the Rosenbluth Family Foundation No need to signup, just show up: 301 N. Willard St. Room 202

Free

Sierra Verde STEAM Academy: STEAM Night 2025

This year's STEAM Night will showcase student artifacts that represent the Engineering Design Process and have vendors that will have hands-on activities for students, parents, and the community to interact with on our campus. Location: Sierra Verde STEAM Academy  7241 W Rose Garden Ln, Glendale, AZ 85308

Free

Pinal County Library District: B.U.S. Pass Orientation

Pinal County Library District - Apache Junction Public Library 1177 N. Idaho Rd., Apache Junction

Have you ever wondered how to use a 3D Printer, Cricut, or Poster Printer? Learn Basic Use and Safety (B.U.S.) of all the devices in our Makerspace and become certified...

Free

Mt. Lemmon SkyCenter: SkyNights StarGazing Program

Mt. Lemmon SkyCenter 9800 Ski Run Rd. Mt., Lemmon

Explore the night skies from the summit of Mt. Lemmon using Arizona's LARGEST publicly available telescopes!  Under the guidance of a professional, visitors will enjoy a brief astronomy lecture, a light dinner, and an exclusive opportunity to observe astronomical objects and phenomena.  This five-hour program starts 2 hours before sunset and accommodates up to 28...

$62.50 – $88.50

Pima County Public Library: GED Prep en español

Pima County Public Library - Quincie Douglas Library 1585 E. 36th St., Tucson

Curso de GED Prep en español -- Esta clase ayudará a los participantes a mejorar sus habilidades de lectura, escritura, matemáticas y pensamiento crítico, todas ellas necesarias para incrementar sus posibilidades de éxito en sus examenes GED. La clase se impartirá completamente en español. La instrucción puede incluir tareas, conferencias tradicionales y práctica interactiva. Los...

Free

Yuma County Library District: Stargazing

Yuma County Library District - Foothills Library 13226 E. South Frontage Rd., Yuma

Join us in the east parking lot for an evening of stargazing. Learn about various planets, stars, and more! Telescopes are available courtesy of our volunteers.

Free

Pima County Parks and Recreation: Bat Walk – Agua Caliente Park

Agua Caliente Regional Park 12325 E. Roger Rd., Tucson

Learn about the fascinating lives of bats and their importance to the ecosystem while you help take data to monitor their populations in Agua Caliente Park. Explore the nocturnal world of bats, beginning with an introduction to their diversity, biology, and conservation. The group then sets off on a casual stroll with bat detectors to...

$10.00