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6th Grade Ch 17/18

Electricity & Magnetism

magnetism the force of attraction or repulsion of magnetic materials
magnetic field surrounds a magnet and applies a force without actually touching an object
electromagnet formed by an electric current flowing through a wire wrapped around an iron core
A coil of wire spinning around a magnet or a magnet spinning around a coil of wire can form an ______ ______. electric current
An electromagnet loses its magnetism if the _____ _______ stops flowing. electric current
generator produces an electric current when a coil of wire wrapped around an iron core is rotated near a magnet.
Produce electric energy for our homes generators at power plants
turbines huge wheels that rotate when pushed by water, wind, or steam.
Generators change _____ energy into _____ energy. mechanical, electrical
A ____ contains coils of wire that are stationary, and rotating magnets that are rotated by turbines. generator
An electric motor changes ____ energy to ____ energy. electrical, mechanical
An ____ ____ contains an electromagnet that rotates between the poles of a magnet. electric motor
The coil of the electromagnet is connected to a _______ or other source of electric current. battery
Like poles of the magnets ___ and unlike poles of the magnets ____. repel, attract
___ energy can be transformed to light, sound, heat, and mechanical motion in an electric circuit. electrical
An electric circuit contains a source of ___ energy, a ___ (wire) connected to the energy source, and a ___ that uses and transforms the energy. electrical, conductor, device
The ___ energy in a battery comes from stored ___ energy. electrical, chemical
The ___ energy in a solar cell comes from ___ energy from the sun. electrical, light
The ___ energy in outlets may come from ___ energy (burning fuels) which powers a generator in a power plant. electrical, chemical
Electrical energy can be transformed into ___ energy in an electric circuit if a bell, buzzer, radio, or TV is added to the circuit. sound
Created by: Ms. Phillips