A complete closed pathway of conductors that allows electricity to flow through it.
A circuit (pathway) that has no openings that will prevent electricity to flow
The flow of electrons from negatively charged objects to positively charged objects.
A temporary magnet made by passing electica current through a wire coiled around an iron bar
A curved piece of clear plastic or glass that bends light rays.
Light rays bouncing off the surface of an object.
The bending or chaning direction of light rays as they pass from one substance to another.
Curved inward, like the inside of a circle or sphere. When light passes through, the rays bend away from each other.
Having a surface that is curved or rounded outward. When light passes through, the light rays bend toward each other.
an intervening substance through which something passes through (The medium the light passes through makes the light bend.)
A circuit that has an opening or break that prevents electricity form flowing.