Science stories kids actually want to read
Cuando un charco desaparece, el hielo se derrite y el vapor sale de una taza, dos niños curiosos descubren los estados de la materia.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.
Spanish version coming soon.
This story is not available in Spanish yet. You can keep reading in English, or check back soon for the Spanish PDF and quiz.
On a Saturday morning at the park, Emma and Noah race to the big oak tree—then Dad turns their fun into a physics lesson. With stopwatches, lake loops, and cyclists on the path, they discover how speed, velocity, distance, and displacement are different—and why direction matters.
When a flashlight flickers, a ball rolls, and a bell rings, two curious kids trace the energy that made everything happen—discovering how stored energy transforms and moves from one object to another.
When hauling a stuffed backpack up a steep hill feels impossible, two curious kids discover tricks that make the backpack that felt lighter—learning how ramps, wheels, and spreading force over distance can make heavy loads easier to move.
El agua puede existir como sólido (hielo), líquido (agua) o gas (vapor de agua). Añadir calor hace que el hielo se derrita y el agua líquida se evapore; quitar calor hace que el vapor se condense y el agua líquida se congele. Estos cambios de fase ocurren porque las partículas de agua se mueven más rápido con el calor y más lento al enfriarse.
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