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# science vocab 2

TermDefinition
law of universal gravitation states that gravity acts between all objects in the universe
mass a measure the amount of matter in an object
Newton's first law of motion states that an object at rest stays at rest and an object in motion stays in motion unless an unbalanced force acts on an object
electric current the rate at which charges through a given point
potential difference the difference in potential energy between two locations
voltage the potential difference between two points
circuit a closed path though with electricity can flow
load a device in a circuit that does work using electrical energy
conductor a material that allows heat or electrical energy to flow through easliy
resistor a device having a designed resistance to the passage of an electric current.
switch control consisting of a mechanical or electrical or electronic device for making or breaking or changing the connections in a circuit
series circuit a circuit in which resistors are arranged in a chain
parallel circuit A circuit has two or more paths for current to flow through.
magnetic force It is the basic force responsible for such effects as the action of electric motors and the attraction of magnets for iron
magnetic field a region around a magnetic material or a moving electric charge within which the force of magnetism acts.
electromagnetism the interaction of electric currents or fields and magnetic fields.
electromagnet a soft metal core made into a magnet by the passage of electric current through a coil surrounding it.
generator a thing that generates something, in particular.
Created by: jackiboyfan

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