Science learning
Science articles that help young learners understand the world.
Explore friendly explanations of light, sound, motion, fluids, electricity, magnets, chemistry, and everyday science. Each topic cluster groups related articles so students can follow one idea at a time.
Choose a topic
Browse science articles by cluster.
Start with one area of science, then open the full article collection when you want to keep exploring.

Optics
Read about light, shadows, reflection, refraction, lenses, mirrors, periscopes, sundials, and the science behind what we see.
More Optics articles
Mechanics
Explore motion, forces, bridges, energy, power, momentum, simple machines, and how physical objects move and balance.
More Mechanics articles
Electricity & Magnetism
Learn about magnets, coils, solenoids, electromagnetic induction, circuits, electricity, and invisible fields around us.
More Electricity articles
Sound
Discover sound waves, echoes, decibels, hearing, noise cancellation, vibration, frequency, and how sound travels.
More Sound articles
Fluid Science
Understand water droplets, air pressure, density, pipettes, bubbles, flow, floating, sinking, and liquids in everyday life.
More Fluid articles
Chemistry
Read about atoms, elements, reactions, materials, mixtures, acids, bases, and the small particles that make up everything.
More Chemistry articles