Spheres at Irvine Regional Park
- Grade Level: 5th Grade
- Location: Irvine Regional Park
- Program Length: 5 Hours
- Standards Supported: NGSS 5-ESS2-1
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Cost: Visit our Program Fees page for more information!

How do Earth's four spheres work together to create the world around us? During this immersive field trip, students become Earth system scientists as they explore Irvine Regional Park to investigate the interactions between the geosphere, hydrosphere, atmosphere, and biosphere. Through hiking, scientific investigations, model building, and observations at the Orange County Zoo, students discover how Earth's systems are interconnected and explore the role humans play within these dynamic natural systems.
Field Investigations
- Spheres Exploration Walk: Hike through Irvine Regional Park to identify evidence of the geosphere, hydrosphere, atmosphere, and biosphere while gathering observations for a scientific model.
- Sphere Interactions: Explore hands-on investigation stations to discover how Earth's four spheres interact to shape the park's ecosystems.
- Hydrosphere Investigation: Follow the journey of a water droplet through the water cycle and investigate how water connects Earth's spheres while transporting pollution.
- The Biosphere at the Orange County Zoo: Observe native California wildlife and investigate how animals interact with the geosphere, hydrosphere, and atmosphere.
Ready to Join Us?
Ready to discover how Earth's four spheres shape the world around us?
