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RMS Electricity

RMS 5th Grade Science

TermDefinition
electricity the physical attraction and propulsion of electrons within and between
electrical charge a property of matter (particles have either a negative or a positive charge)
generator a device that produces electricity
nucleus the center of an atom
atoms tiny particles that make up all matter
electrons small negatively charged particles in orbit around the nucleus of an atom
protons small positively charged particles located in the nucleus of an atom
conductor a material that allows an electric charge (electrons)to flow through it
current electricity the movement of electrons, which creates the flow of electricity
insulator a material that resists an electric charge (electrons) flowing through it
kilowatt represents 1,000 watts
kilowatt/hr equal to the energy of 1,000 watts working for 1 hour
watts units used to measure electricity
electrical circuit a closed-loop conducting path that consists of an energy source, an appliance or electric load, and wires that conduct the electric current from the energy source, through the appliance, and back to the energy source
parallel circuit a circuit with two or more appliance that are connected to provide separate conducting paths for current for each appliance
series circuit a circuit with two or more appliances that are connected to provide a single conducting path for current
fuses protective devices in a circuit that will melt to prevent the build-up of heat
circuit breakers devices in a circuit that will either melt or trip to prevent the build up of heat
switches used to open and close circuits
neutron small particles that have no charge and are located in the nucleus of an atom
Created by: mrskarney
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