Discover how scientists know Earth has a solid core without ever seeing it! Learn how earthquakes, density measurements, and the planet’s magnetic field reveal the inner core’s structure. Try this easy home experiment to visualize the Earth’s core with water and a bottle cap—perfect for students, kids, and science enthusiasts.<br /><br /><br />#EarthCore #SeismicWaves #EarthScience #HomeScienceExperiment #STEMLearning #GeologyForKids #PlanetScience #MagneticField #ScienceExperiment #LearnWithChris
