Curriculum Resources
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Electric Circuits Repel Attract N S N S N S N S N S N S A parallel circuit has several paths for the current to flow. Electric Current Electric current is the continuous movement of electric charges through a conductive material. Magnetic Fields A magnet produces a magnetic field in the space around it. A magnetic field is an invisible field which applies a magnetic force on materials attracted to magnets. When a magnet is split in two, each section willl have a north and south pole. N S Magnetic North Magnetic South North Pole South Pole Earth as a Magnet N S The Earth's magnetic field is similar to that of a bar magnet. Earth can be considered a gigantic magnet. Electromagnets An electromagnet is a type of magnet in which a magnetic field is created by running an electric current through a wire. Electromagnets are used in electric motors, computers, and power generators, among other devices. Electric Motors An electric motor uses electrical energy and converts it to mechanical energy to turn a rod or an axle. Generators Changing Magnetism to Electricity Generators produce almost all of our electricity. By burning coal, oil or natural gas, large amounts of water are converted to steam which provides the mechanical energy needed to turn the generators. A series circuit has only one path for the current to flow. + + Electric motors are found in household appliances such as fans, refrigerators, washing machines, and others. Series circuit Parallel circuit © Copyright NewPath Learning. All Rights Reserved. 94-4610 www.newpathlearning.com Electromagnetism + - + - coils wire iron core switch current from battery + ALKALINE B A TTER Y + N S electromagnet generator coil of wire permanent magnet magnetic field
\|xiBAHBDy01801ozX Electric Circuits N S N S N S N S N S N S A ______________ _____________ has several paths for the current to flow. _________________ ______________ is the continuous movement of electric charges through a conductive material. A magnet produces a ______________ ______________ in the space around it. A magnetic field is an invisible field which applies a ______________ ______________ on materials attracted to magnets. When a magnet is split in two, each section willl have a north and south pole. N S Earth as a Magnet N S The Earth's _______________________ is similar to that of a bar magnet. Earth can be considered a gigantic magnet. An _______________________ is a type of magnet in which a ______________ ______________ is created by running an ______________ ______________ through a wire. Electromagnets are used in _______________________ , _______________________ , and _______________________ . Electric Motors An electric motor uses ______________________ and converts it to ______________________ to turn a rod or an axle. _______________________ produce almost all of our electricity. By burning coal, oil or natural gas, large amounts of water are converted to steam which provides the mechanical energy needed to turn the generators. A ______________ _____________ has only one path for the current to flow. + + Electric motors are found in household appliances such as fans, refrigerators, washing machines, and others. © Copyright NewPath Learning. All Rights Reserved. 94-4610 www.newpathlearning.com Electromagnetism + - + - coils wire iron core switch current from battery + ALKALINE BA TTER Y + N S Key Vocabulary Terms attract magnetic force conductive mechanical energy electric current electromagnet parallel circuit generator series circuit magnetic field repel
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