Free chemistry and physics lessons

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


This free website will help you to enrich your learning in science. It provides free science online ressources for kids, students, beginners, parents looking for homeworks help and everyone curious about physics and chemistry. It can be useful for self studying, to review lessons, to prepare for science exams, for learning scientific basis and even for school projects.All learners can access without restriction to science lessons in various fields such as chemistry, electricity, optics or mechanics written with scientific rigor. Most of these lessons, written with simple words, include basics notions making them understandable by everyone.

 
 


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 ...


chemistry class



Chemistry


Water



States of matter



Mixtures and solutions



Mass and volume



Air and atmosphere



Atoms and molecules



Combustions



Atoms and chemical reactions



Metals



Ions



Acidic and basic solutions



Electrochemical cells and chemical energy




        








electricity class




Electricity


Electrical components



How to build simple circuits and draw diagrams



The electric current



The Voltage



Alternating voltage and current



Serie circuits



Parallel circuits



Laws of electricity



Generating electricity



Electric power and energy







optics class




Optics


Light sources



Propagation of light



Shadows, lunar eclipses and phases of the moon



Colored lights - color of objects



Image formation - Thin lenses




mechanics class




Mechanics


Gravity



Energy









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