Ammeter
Instrument or measuring device that measures electrical current passing through it.
Ampere (A)
Unit of electrical current. Is the unit used to measure electric current. Current is a count of the number of electrons flowing through a circuit. One amp is the amount of current produced by a force of one volt acting through the resistance of one ohm.
Battery
Device made with two metals in a eletrolyte that transforms chemical energy into electrical energy.
Bimetallic
Composed of two metals
Closed Circuit
Circuit with a continuous conducting path.
Componet
Element or device in an electrical circuit.
Conductor
Material that allows a current to pass through it. A material or device that conducts or transmits heat, electricity, or sound, especially when regarded in terms of its capacity to do this.
Current
Flow of electricity which results from the ordered directional movement of electrically charged particles.
Discharge
Lose excess change.
Dry Cell
Battery cell made of two electrodes placed in an electrolyte that is a paste.
Electric Charge
Property matter that results in electrical forces between objects.
Electrical Circuit
Electrical system connecting an electrical energy source to components that use electrical energy.
Electrical Energy
Energy associated with electric charge and electrical current.
Electrical Engineer
Person who designs electrical systems to meet human needs.
Electric Motor
Device that transforms electrical energy into mechanical energy.
Electric Power Plant
Facility that generates electrical power.
Electrician
Person who builds electrical systems and devices to meet human needs.
Electrode
Strip or rod (usually metal) set in the electrode in a battery. An electrode makes up on terminal of a battery.
Electrolyte
Liquid or paste, often an acid in which the electrodes of a battery are set.
Electron
Negatively charged atomic particle associated with an atom.
Energy
A degree or level of energy possessed by something or required by a process. Power derived from the utilization of physical or chemical resources, especially to provide light and heat or to work machines.
Fossil Fuel
Fuel such as oil, coal and gas which is derived from the fossilized remains of living things. (organisms)
Generator
Device that converts one form of energy into other forms of energy.
Geothermal Power
Electrical power generated using steam produced from heat within the earth.
Ground
Conducting path connecting an object to the earth.
Hydroelectric Power
Electrical power generated from falling water.
Incandescent
Generating light through heating.
Insulatar
Material that does not conduct or allow an electrical current to pass through it.
Joule (J)
Unit of energy that has the do one newton-meter of work equivalent to a force of one newton acting through a distance of one meter
Kilowatt-hour (KWh)
Unit of electrical energy commonly used be electrical power companies.
Lightning
Large electrical discharges associated with thunderstorms that release vast amounts of energy.
Model
Story, picture or device used to explain observations.
Nuclear Power
Power associated with nuclear reactions.
Open Circuit
Circuit with a break in components.
Parallel Circuit
Circuit with more than one closed path connecting components to the electrical power source.
Potential Energy
Stored energy that can be released, which includes chemical, electrical, gravitational and nuclear energy.
Power
Rate at which energy is supplied or used.
Power Grid
Network of lines and systems that connects power plants around the country.
Renewable Energy
Energy generated by natural processes, such as wind and sunlight.
Schematic
Diagram that represents an electrical circuit using symbols.
Series Circuit
Circuit with only one closed path connecting electrical components.
Solar Cell
Device that converts energy from sunlight directly into electrical energy.
Static Electricity
Electricity associated with the accumulation of excess electrical changes an objects.
Transfer
Move from one place to another.
Transform
Change from one from to another.
Turbine
Shaft with large blades that turns in a generator.
Volt (V)
Unit of electrical potential.
Voltage
Measure ability of an electrical source to generate a current in a circuit.
Voltmeter (V)
Instrument or measuring device that measures electrical potential between two points.
Watt (W)
Unit of power equal to one joule per second.
Wet Cell
Battery cell made of two electrodes placed in a liquid electrolyte.