Learning physics and chemistry easily and freely - Science for elementary school, middle school and high school

Free online optics lessons for elementary school, middle school and high school.
Take advantage of scientific resources that can be used freely to discover optic, the science of light



Light sources

Propagation of light

Shadows, lunar eclipses and phases of the moon

Colored lights - color of objects

Image formation - Thin lenses

Chemistry lessons
Water, states of matter, atom, molecule, chemical reaction, ion, combustion, metal ...

Electricity lessons
Electric circuit, current, conductor, insulator, Ohm's law, series and parallel circuit, circuit diagram ...

Mechanics lessons
motion, speed, trajectory, mass, weight, rotation, kinetic energy, Isaac Newton ...

Optics lessons
Light, laser, shadow, propagation of light, ray, converging and diverging lens, color ...


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