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Electricity Define… Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom Current-the flow of a charge through a material. Unit of measurement is A or ampere Circuit the complete path through which electrons flow Battery a temporary energy source Electricity the movement of charged particles that

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Page 1: Define… Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom Current-the flow of a charge through a material

ElectricityDefine…Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom

Current-the flow of a charge through a material. Unit of measurement is A or ampere

Circuit the complete path through which electrons flow

Battery a temporary energy source

Electricity the movement of charged particles that results in energy

http://www.google.com/url?sa=i&rct=j&q=electric+current+middle+school&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.explainthatstuff.com/electricity.html&ei=6DH_VMTeCvWKsQTvpoBI&bvm=bv.87611401,d.cWc&psig=AFQjCNFsJIKvgPn_BJEutyn5gxnLiTnMuw&ust=1426096970351477
Page 2: Define… Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom Current-the flow of a charge through a material

CircuitAn unbroken path along which

electrons flow

Page 3: Define… Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom Current-the flow of a charge through a material

Words to Know

Electric chargeElectric currentMagnetic fieldCircuitConductor InsulatorResistanceAmperesMagnetismElectromagnetMagnetic poles

Starting text pages 628

Page 4: Define… Electrons- a tiny, negative charge that moves around the space outside the nucleus of an atom Current-the flow of a charge through a material

ElectromagnetsAn electromagnet is a type of magnet in which the magnetic field is produced by an electric current. The magnetic field disappears when the current is turned off. Electromagnets usually consist of a large number of closely spaced turns of wire that create the magnetic field.

Electromagnets are widely used as components of other devices, such as motors, generators, speakers and MRI machines.

Electromagnets are also used in industry for picking up and moving heavy iron objects such as scrap iron and steel.

Workbook pages 231-233


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