Energy Vocabulary

light

• observable evidence of energy

• a type of sound wave

• a form of matter

• a color spectrum

system

• an organized group of related objects that forms a whole

• a random collection of unrelated items

• a method of organizing data

• a process of change over time

electric current

• the flow of electricity through a wire

• a measure of electrical resistance

• the potential difference across a circuit

• the speed of electrons in a conductor

circuit

• a pathway for the flow of electricity

• a device that stores electrical energy

• a type of electrical resistance

• a method of generating electricity

energy source

• a place where energy comes from, such as batteries, food, fuels, and the sun

• a type of renewable energy that cannot be used for electricity

• a method of storing energy for later use

• a process that converts energy from one form to another

wire

• a metal or other solid substance through which electric current moves

• a type of insulation material used in electrical wiring

• a device that stores electrical energy

• a component that converts electrical energy into mechanical energy

electricity

• energy that flows through circuits and can produce heat, light, motion, and sound

• a type of energy that is only used for heating

• a form of energy that can only produce light

• energy that is stored in batteries and cannot flow

short circuit

• a circuit in which the current flows from one end of the d-cell directly to the other end without flowing through any other component

• a circuit that includes multiple components in series

• a circuit that is open and does not allow current to flow

• a circuit that has a high resistance and limits current flow

Filament

• the material in a lightbulb (usually a thin wire) that makes light when heated by the electrical current

• a type of plant structure that supports leaves

• a component of a battery that stores energy

• a type of wire used in electrical circuits for insulation

Lightbulb

• a filament held by two stiff wires and surrounded by a clear, glass globe

• a small device that emits light when electricity passes through it

• a type of lamp that uses gas to produce light

• a bulb that requires a battery to function