The steps of the scientific method explained with one everyday example, plus hypothesis vs theory vs law, variables, controls, and peer review.
Articles
How Do Magnets Work? Electron Spin, Poles and Domains
How do magnets work? Electron spin, magnetic domains, poles, permanent vs electromagnets, why magnets lose strength, and easy home experiments.
Dark Matter vs Dark Energy: What’s the Difference?
Dark matter pulls galaxies together, dark energy pushes the universe apart. How they differ, the evidence, and what DESI and Euclid are finding.
Why Is the Ocean Salty? Where Sea Salt Comes From
Why is the ocean salty? How rocks, rivers, and seafloor vents add salt, why lakes stay fresh, why the sea isn’t getting saltier, and if you can drink it.
Why Is the Sky Blue? Rayleigh Scattering Explained
Why is the sky blue? How sunlight scatters in air, why the sky isn’t violet, why sunsets turn red, why clouds are white, and the sky on Mars.