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Is the bottle empty? Sure, it is empty of crumpled paper balls, but the bottle is not completely empty.
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.
Why do some spiders weave spiral orbs while others weave, tangled or tunneled webs?
Phenomena
In eastern San Diego County, just north of Interstate 8 in the McCain Valley,
Phenomena
How does this water get to some of San Diego's highest points?
Phenomena
The Moreton Bay Fig Tree, behind the San Diego Natural History Museum in Balboa Park
Phenomena
Why does it rain in some places but snow in other places?
Phenomena
How can a scuba tank carry enough air for a diver for such a long period of time?
Phenomena
