Electric motors are everywhere. They are all over your household appliances and cars we drive every day. Almost every mechanical movement that you see around you is caused by a motor. In general motors are either AC alternating current, or DC direct current electric.A motor as an electrical machine which converts electrical energy into mechanical energy. The principle of a working DC motor is that whenever a current carrying conductor is placed in a magnetic field it experiences a mechanical force. The principle of an AC motor is the induction motor always relies on a small difference in speed between the stator rotating magnetic field in the rotor shaft speed called slip to induce rotor current in the rotor AC winding.

We use simple machines, without motors, in the real world every day. Examples include the levers, garage doors, levers, seesaws, hammers, scissors, knives, wheels, light bulbs, pulleys and many more. Human beings have become so successful as a species on Earth due to our mastery of tools and simple machines. We don't even realize the amount of simple machines we use every day. Tools that make work easier and allow us to accomplish more work while spending less energy set us apart from animals. There many types of simple machines including pulleys, levers, wheels, wedges, inclined planes and screws.

Motor Games

Museum of Industry Simple Machine Game

Master of simple machine

electrical circuits

3 projects from Energizer batteries about electrical circuits

Completed political circuit science fair project

Build your own lightbulb science fair project electrical circuits

Electromagnetic wave

Electromagnetic radio waves science fair idea

How can you stop electromagnetic waves science fair idea

Measure the speed of light with the microwave science fair idea

How to block radio waves science fair idea

Can visible light outshined infrared radiation electromagnetic science fair idea

Science with friction

Science of objects in motion friction science fair idea

Experimenting with friction science fair idea

Material friction science fair idea

Make a balloon car friction science fair idea

Gas laws science

Boyles gas laws science fair project idea

Charles Gas Law science fair project idea

Science all about heat and transfer

Heat conduction and steak science fair project

Organic chemistry projects

10 organic chemistry science fair projects

Super easy organic chemistry science fair projects

Organic chemistry heat induction science fair project

Lowering the freezing point of water organic chemistry science fair project

 reflection of light

Mirror and reflection science fair project

10 projects about light reflection

Complete light reflection science fair project video

acceleration

Distance and Constant Acceleration science project

Galileo inclined plane acceleration science project

Travel and Acceleration advanced science fair project

chemical bonds

Covalent chemical bonds science fair project ideas

Astronomy Games

Science Games