9:00 am - 12:00 amMcDowell Sonoran Conservancy: Hidden Desert – Educational Walk McDowell Sonoran Preserve - Fraesfield Trailhead
12:00 am - 11:00 amMcDowell Sonoran Conservancy: Hidden Desert – Educational Walk McDowell Sonoran Preserve - Fraesfield Trailhead
9:00 am - 1:00 pmSurprise Public Library: Vitalant Blood Drive Surprise Public Library - Surprise Regional Library
10:00 am - 2:00 pmGila River Indian Community Earth Day Department of Environmental Quality Environmental Education Center
10:00 am - 11:00 amChandler Public Library: STEAM Jr. – Spring Chandler Public Library - Sunset Campus
10:00 am - 11:00 amPima County Public Library: STEAM Storytime Pima County Public Library - Santa Rosa Library
11:00 am - 1:00 pmMaricopa County Parks and Recreation: Discovery Station – Creatures of the Desert San Tan Mountain Regional Park
11:00 am - 12:00 pmPima County Public Library: Garden Talk – Warm Season Vegetables Pima County Public Library - W. Anne Gibson-Esmond Station Library
1:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
1:30 pm - 3:30 pmMaricopa County Parks and Recreation: Discovery Station – Rattlesnakes Cave Creek Regional Park
2:30 pm - 3:30 pmFlandrau Science Center & Planetarium: Mysteries of the Unseen World Flandrau Science Center & Planetarium
3:00 pm - 4:30 pmPhoenix Public Library: Harmon STEAM Club – Open Studio Phoenix Public Library - Harmon Library
3:30 pm - 4:30 pmMohave County Library: Inspiration/Station Mohave County Library - Lake Havasu City Branch
3:30 pm - 4:30 pmChandler Public Library: K-12 Afterschool Tutoring Program Chandler Public Library - Basha Campus
3:30 pm - 4:30 pmPima County Public Library: STEAM Elementary Pima County Public Library - Woods Memorial Library
3:30 pm - 5:30 pmFlagstaff City – Coconino County Public Library: Community Seed Swap Flagstaff City - Coconino County Public Library - East Flagstaff Community Library
3:30 pm - 4:45 pmPhoenix Public Library: Computer Science Academy Series – Web Development Continued (CSS) Phoenix Public Library - Burton Barr Central Library
3:45 pm - 5:00 pmPinal County Library District: After School LEGO Club Pinal County Library District - Casa Grande Main Library
4:00 pm - 6:00 pmSoutheastern Arizona Bird Observatory: Hummingbird Banding at Casa de San Pedro B&B Casa de San Pedro Bed & Breakfast
4:00 pm - 5:00 pmFlandrau Science Center & Planetarium: Touring the Solar System Flandrau Science Center & Planetarium
6:00 pm - 7:30 pmEmbry – Riddle Aeronautical University: Fronteras – Límites del Conocimiento Embry - Riddle Aeronautical University Jim and Linda Lee Planetarium
7:00 am - 10:30 amMaricopa County Parks and Recreation: Cave Creek – Invasive Species Removal Cave Creek Regional Park
7:00 am - 10:30 amMaricopa County Parks and Recreation: San Tan – Invasive Species Removal San Tan Mountain Regional Park
7:00 am - 10:30 amMaricopa County Parks and Recreation: Spur Cross – Invasive Species Removal Spur Cross Ranch Conservation Area
7:00 am - 10:30 amMaricopa County Parks and Recreation: White Tank – Invasive Species Removal White Tank Mountain Regional Park
8:00 am - 12:00 pmWatershed Management Group: River Run Network Restoration Workshop – Tanque Verde Arundo Removal
8:00 am - 11:30 amArizona – Sonora Desert Museum: Spring Plants and Wildflower Walks Arizona - Sonora Desert Museum
8:30 am - 10:00 amPima County Public Library: Microsoft Word- Part 4: Saving and Printing Pima County Public Library - Murphy-Wilmot Library
9:00 am - 4:00 pmSuperstition Mountain Museum: Master Gardeners Present at the Museum Superstition Mountain Museum
9:00 am - 11:00 amMcDowell Sonoran Conservancy: Desert 101 – Educational Walk McDowell Sonoran Preserve - Gateway Trailhead
9:00 am - 11:00 amPima County Parks and Recreation: Reflecting on Water – A Living River of Words Science and Poetry Workshop Pima County Public Library - Wheeler Taft Abbett Sr. Library
9:00 am - 10:00 amChandler Public Library: The Nature of Things – Backpacking for Newbs: How to Prepare Chandler Nature Center
9:00 am - 10:00 amCity of Chandler: The Nature of Things – Backpacking for Newbs Chandler Nature Center
9:30 am - 11:00 amPima County Parks and Recreation: Tour of Historic Canoa Ranch The Raul M. Grijalva Canoa Ranch Conservation Park
9:30 am - 12:30 pmDeer Valley Petroglyph Preserve: Reptiles with Phoenix Herpetological Sanctuary Deer Valley Petroglyph Preserve
10:00 am - 1:00 pmArizona State Parks and Trails: Catalina State Park Nature Program Catalina State Park
10:00 am - 12:00 pmYavapai County Free Library District: Teen Musician Mechanics Yavapai County Free Library District - Camp Verde Community Library
10:00 am - 11:30 amTown of Gilbert: Ducks and Doodles – An Art Class Series Riparian Preserve at Gilbert Water Ranch
10:00 am - 12:00 pmCity of Mesa: Danger Scouts – LEGO Roboteering! Red Mountain Multigenerational Center
10:00 am - 12:00 pmGlendale Public Library: Roots and Shoots – Gardening and Water Conservation Glendale Public Library - Foothills Library
10:00 am - 11:00 amPinal County Library District: STEM Lab Pinal County Library District - Apache Junction Public Library
10:00 am - 12:00 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County Public Library - East Flagstaff Community Library
10:00 am - 12:00 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County - Downtown Public Library
10:00 am - 4:00 pmNatural History Institute: Red Rock Country Uncovered – Exploring Sedona’s Red Rock State Park Red Rock State Park
10:30 am - 12:00 pmSurprise Public Library: Designing a Desert Adapted Landscape Surprise Public Library - Asante Library
10:30 am - 11:30 amPima County Public Library: LEGO Club Pima County Public Library - Kirk-Bear Canyon Library
10:30 am - 1:00 pmDeer Valley Petroglyph Preserve: Desert Ecology Tour Deer Valley Petroglyph Preserve
11:00 am - 1:00 pmScottsdale Public Library: Converting Grass to Xeriscape Scottsdale Public Library - Mustang Library
11:00 am - 12:00 pmFlandrau Science Center & Planetarium: Black Holes Flandrau Science Center & Planetarium
11:30 am - 1:00 pmPhoenix Public Library: STEAM Time! Phoenix Public Library - South Mountain Community Library
12:30 pm - 1:30 pmFlandrau Science Center & Planetarium: We Are Stars Flandrau Science Center & Planetarium
1:00 pm - 2:00 pmArizona State University: The Edge of Exploration – Moons of the Solar System Arizona State University Marston Exploration Theater
1:00 pm - 2:00 pmGlendale Public Library: Tween and Teen Coding Club Glendale Public Library - Heroes Regional Park Library
1:00 pm - 2:00 pmYuma County Library District: STEM Day Yuma County Library District - Wellton Library
1:00 pm - 3:30 pmPinal County Library District: Sewing Saturdays Pinal County Library District - Apache Junction Public Library
2:00 pm - 4:30 pmEmbry – Riddle Aeronautical University: Fronteras – Límites del Conocimiento Embry - Riddle Aeronautical University Jim and Linda Lee Planetarium
2:00 pm - 3:00 pmYuma County Library District: Ozobots for Adults Yuma County Library District - Foothills Library
2:00 pm - 3:00 pmYuma County Library District: Seed Balls Yuma County Library District - Heritage Library
2:00 pm - 3:00 pmPhoenix Public Library: Monarch Butterflies in Arizona Phoenix Public Library - Desert Sage Library
2:00 pm - 3:00 pmPhoenix Public Library: Monarch Butterflies in Arizona Phoenix Public Library - Saguaro Library
2:00 pm - 3:30 pmPhoenix Public Library: Harmon STEAM Club – Open Studio Phoenix Public Library - Harmon Library
2:00 pm - 3:00 pmFlandrau Science Center & Planetarium: Expedition Reef Flandrau Science Center & Planetarium
3:00 pm - 4:00 pmYuma County Library District: How to . . . Create a Fairy Garden Yuma County Library District - Foothills Library
3:30 pm - 4:30 pmPhoenix Public Library: Family Fun – Butterfly Release Phoenix Public Library - Desert Sage Library
3:30 pm - 4:30 pmFlandrau Science Center & Planetarium: Tucson Sky & Beyond Flandrau Science Center & Planetarium
4:00 pm - 6:00 pmSoutheastern Arizona Bird Observatory: Hummingbird Banding at the San Pedro House San Pedro House
4:00 pm - 9:00 pmFountain Hills Dark Sky Association: Fountain Hills Dark Sky Festival Fountain Hills Community Center
7:00 pm - 7:45 pmArizona State Parks and Trails: Star Party at Lost Dutchman Lost Dutchman State Park
7:00 pm - 7:00 pmMaricopa County Parks and Recreation: Advanced Fitness Hike White Tank Mountain Regional Park
7:15 pm - 9:00 pmTucson Amateur Astronomy Association: Star Party at St. Francis in the Foothills Church
8:00 pm - 8:45 pmArizona State Parks and Trails: Star Party at Lost Dutchman Lost Dutchman State Park
8:00 am - 11:30 amLTucson Audubon Society: Patagonia-Sonoita Creek Preserve Field Trip Patagonia-Sonoita Creek Preserve
8:30 am - 12:30 pmMaricopa County Parks and Recreation: Morning Fitness Hike Estrella Mountain Regional Park
9:30 am - 11:00 amThe University of Arizona: Old Main, New Directions in Desert Landscaping The University of Arizona Main Campus
10:00 am - 12:00 pmBoyce Thompson Arboretum: Introduction to Ball Point Pen Sketching Boyce Thompson Arboretum
10:00 am - 12:00 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County Public Library - East Flagstaff Community Library
10:30 am - 12:30 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County - Downtown Public Library
11:00 am - 1:00 pmMaricopa County Parks and Recreation: Discovery Station – Desert Palms Hassayampa River Preserve
11:00 am - 12:00 pmFlandrau Science Center & Planetarium: Big Bird’s One Sky Flandrau Science Center & Planetarium
12:30 pm - 1:30 pmFlandrau Science Center & Planetarium: Extreme Weather Flandrau Science Center & Planetarium
1:00 pm - 3:00 pmTucson Amateur Astronomy Association: Solar Telescope Observing @ Saguaro NP – East Saguaro National Park
1:00 pm - 2:00 pmMaricopa County Parks and Recreation: Snake Feeding and Animal Encounters Lake Pleasant Regional Park
2:00 pm - 3:00 pmFlandrau Science Center & Planetarium: Mysteries of the Unseen World Flandrau Science Center & Planetarium
3:30 pm - 4:30 pmFlandrau Science Center & Planetarium: Touring the Solar System Flandrau Science Center & Planetarium
7:00 am - 9:00 amMaricopa County Parks and Recreation: Lake Pleasant Monday Clean-Up Crew Lake Pleasant Regional Park
8:00 am - 5:00 pmNorthern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit Northern Arizona University Cline Library
9:00 am - 10:00 amLFDT Phoenix: Solang X Stellar – Compile and Deploy Solidity Contracts on Soroban Online
10:00 am - 11:00 amPinal County Library District: Computer Basics Pinal County Library District - Maricopa Library and Cultural Center
1:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
3:00 pm - 4:00 pmPima County Public Library: T.n.T. – STEAM Pima County Public Library - Wheeler Taft Abbett Sr. Library
3:00 pm - 4:30 pmPima County Public Library: Computer Basics by Literacy Connects Pima County Public Library - Eckstrom-Columbus Library
4:00 pm - 5:00 pmChandler Public Library: STEAM Club – Rockets Chandler Public Library - Sunset Campus
5:00 pm - 7:00 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County Public Library - East Flagstaff Community Library
5:30 pm - 7:30 pmFlagstaff City – Coconino County Public Library: Computer Tutoring Flagstaff City - Coconino County - Downtown Public Library
8:00 am - 5:00 pmNorthern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit Northern Arizona University Cline Library
1:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
5:30 pm - 8:00 pmWest Valley Astronomy Club: Meeting -The life of Edwin Hubble and his contributions to astronomy
6:00 pm - 7:00 pmDesert Foothills Land Trust: Foothills Speaker Series – Wildland Fire Holland Community Center
8:00 am - 5:00 pmNorthern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit Northern Arizona University Cline Library
8:00 am - 9:30 amPima County Parks and Recreation: Birding – Agua Caliente Park Agua Caliente Regional Park
8:00 am - 10:00 amPima County Parks and Recreation: Birding 101 – Birding for all Ages and Abilities (Canoa Ranch) The Raul M. Grijalva Canoa Ranch Conservation Park
9:00 am - 12:00 pmArizona Science Center: Science in the Special Education Classroom Workshop CREATE at Arizona Science Center
9:00 am - 9:50 amTown of Gilbert: Riparian Parent/Tot – Park Pollinators Riparian Preserve at Gilbert Water Ranch
10:00 am - 11:30 amTown of Gilbert: Homeschool Mornings at the Riparian Riparian Preserve at Gilbert Water Ranch
11:00 am - 12:00 pmAvondale Public Library: STEAM Playdate at Civic Center Library Avondale Public Library - Civic Center Library
1:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
1:30 pm - 3:30 pmScottsdale Public Library: Ask the Experts Scottsdale Public Library - Mustang Library
3:30 pm - 4:30 pmChandler Public Library: LEGO Club – Bricks & Blockbusters Chandler Public Library - Downtown Campus
4:00 pm - 4:45 pmScottsdale Public Library: Full STEAM Ahead – LEGO Masters Scottsdale Public Library - Civic Center Library
5:30 pm - 9:00 pmTown of Gilbert: HSI AED, CPR & First Aid Training – Adult, Child & Infant MCLDAZ - Southeast Regional Library
8:00 am - 5:00 pmNorthern Arizona University: “TIMBER! Northern Arizona’s Logging Legacy” Exhibit Northern Arizona University Cline Library
10:30 am - 12:00 pmScottsdale Public Library: Littlest Scientists Scottsdale Public Library - Mustang Library
1:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
3:30 pm - 4:30 pmChandler Public Library: STEAM Jr. – Springing into STEAM Chandler Public Library - Downtown Campus
4:00 pm - 5:00 pmAvondale Public Library: STEAM Lab at Civic Center Library Avondale Public Library - Civic Center Library
4:00 pm - 5:15 pmGirl Scouts Arizona Cactus – Pine: Android Parental Controls – A Hands-On Workshop for Families Online
4:30 pm - 5:30 pmTown of Gilbert: From Doodles to Digital – Graphic Design Camp MCLDAZ - Southeast Regional Library
5:00 pm - 6:30 pmPima County Parks and Recreation: Birding 101 – Birding for all Ages and Abilities (Agua Caliente Park) Agua Caliente Regional Park
5:00 pm - 6:30 pmScottsdale Public Library: Plant and Seed Swap Scottsdale Public Library - Civic Center Library
6:00 pm - 8:00 pmMaricopa County Parks and Recreation: Creatures of the Night Hike Cave Creek Regional Park
7:30 pm - 9:30 pmPatterson Observatory: Free Observation Night Patterson Observatory at the University of Arizona Sierra Vista Campus
7:30 am - 9:30 amPima County Parks and Recreation: Birding – Maeveen Behan Maeveen Behan Desert Sanctuary
8:00 am - 12:00 pmPima County Parks and Recreation: Desert Ecology Hike – Sweetwater Preserve Sweetwater Preserve
9:30 am - 10:30 amPima County Parks and Recreation: Gardens of Canoa Ranch The Raul M. Grijalva Canoa Ranch Conservation Park
10:30 am - 11:30 amCity of Chandler: Active Adults Brains and Balance Training Tumbleweed Recreation Center
3:00 pm - 4:30 pmThe University of Arizona: Richard F. Caris Mirror Lab Tour The University of Arizona Steward Obsrvatory
3:30 pm - 4:30 pmChandler Public Library: K-12 Afterschool Tutoring Program Chandler Public Library - Basha Campus
4:00 pm - 6:00 pmSoutheastern Arizona Bird Observatory: Hummingbird Banding at Casa de San Pedro B&B Casa de San Pedro Bed & Breakfast
4:00 pm - 5:15 pmGirl Scouts Arizona Cactus – Pine: Parental Controls for iOS – A Hands-On Workshop for Families Online
5:00 pm - 9:30 pmMesa Community College: Astronomy Nights – “Two Small Pieces of Glass” Mesa Community College Planetarium
5:00 pm - 11:55 pmGirl Scouts Arizona Cactus – Pine: Science After Dark (Phoenix) Arizona Science Center
6:00 pm - 8:00 pmWest Valley Astronomy Club: Moon & Star Party at El Mirage Library MCLDAZ - El Mirage Library
7:00 pm - 8:40 pmEmbry – Riddle Aeronautical University: Rising Stars of Prescott Embry - Riddle Aeronautical University Jim and Linda Lee Planetarium
7:00 am - 10:30 amMaricopa County Parks and Recreation: Cave Creek – Invasive Species Removal Cave Creek Regional Park
8:30 am - 10:30 amMaricopa County Parks and Recreation: Guided Bird Walk Estrella Mountain Regional Park
9:00 am - 10:30 amHeritage Park Zoological Sanctuary: Behind-the-Scenes Photography Tour Heritage Park Zoological Sanctuary
9:00 am - 11:00 amPhoenix Herpetological Sanctuary: Rattlesnake Relocation Training Phoenix Herpetological Sanctuary
9:30 am - 11:00 amPima County Parks and Recreation: Tour of Historic Canoa Ranch The Raul M. Grijalva Canoa Ranch Conservation Park
9:30 am - 11:30 amWillow Bend Environmental Education Center: Science Saturday – Water Celebration Willow Bend Environmental Education Center
10:00 am - 1:00 pmArizona State Parks and Trails: Catalina State Park Nature Program Catalina State Park
10:30 am - 12:00 pmLowell Observatory: Orbits Curiousity Eary Learners Camp – Our Solar System: Comets Lowell Observatory
12:00 pm - 3:00 pmAvondale Public Library: STEAMfest at Civic Center Library Avondale Public Library - Civic Center Library
1:30 pm - 3:00 pmScottsdale Public Library: Staying Human in the Artificial Intelligence Revolution Scottsdale Public Library - Civic Center Library
4:00 pm - 6:00 pmSoutheastern Arizona Bird Observatory: Hummingbird Banding at the San Pedro House San Pedro House
7:00 pm - 8:40 pmEmbry – Riddle Aeronautical University: Rising Stars of Prescott Embry - Riddle Aeronautical University Jim and Linda Lee Planetarium
9:00 pm - 9:00 pmGirl Scouts Arizona Cactus – Pine: Artificial Intelligence (AI) Patch for Daisies and Brownies Online
8:00 am - 9:00 amPima County Parks and Recreation: Signs of the Season Phenology Walk Pima County Public Library - Wheeler Taft Abbett Sr. Library
8:00 am - 10:00 amPima County Parks and Recreation: Cellphone Photography Beyond Basics – Android and iPhone Brandi Fenton Memorial Park
8:30 am - 12:30 pmArizona State Parks and Trails: Sunday Geology Walk at Catalina Catalina State Park
1:00 pm - 4:00 pmGirl Scouts Arizona Cactus – Pine: Cybersecurity Badges 1, 2, and 3 (Ambassadors) Online