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Calcium can leave white stains around faucets and hoses.
Activities & Resources
Explore a wealth of engaging STEM activities and resources that will spark your curiosity and inspire your love for science. Our hands-on activities are designed to be done from the comfort of your own home, so you can learn and explore at your own pace. With easy-to-follow instructions and accessible materials, you can dive right in and start exploring the wonders of science.
When precipitation occurs, we expect to see and feel it on the ground.
Phenomena
In eastern San Diego County, just north of Interstate 8 in the McCain Valley,
Phenomena
What causes Monarchs to migrate in the first place?
Phenomena
Why does it rain in some places but snow in other places?
Phenomena
The combination of landforms are often responsible for interesting weather patterns.
Phenomena
