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Unit 3 Ls 1-4 + Ls 5

add electromagnetism and electromagnet

Electric Change. A property that leads to electromagnetic interactions between the particles that make up matter.
Static Electricity. The buildup of electric charge on an object.
Electrical Conductor. A material through which charges can move freely.
Electrical Insulator. A material through which charges cannot move easily.
Semiconductor. A special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors.
Electric Current. The rate of flow charges.
Resistance. The opposition to the flow of electric charge.
Voltage. The amount of work required to move each unit of charge between two points.
Electric Circuit. A complete, closed path through which electric charges can flow.
Series Circuit. All parts are connected in a row that forms one path for the electric charges to flow.
Parallel Circuit. Electric charges have more that one path that they can follow.
Magnet. To describe any material that attracts iron or objects made of iron.
Magnetic Force. When you bring two magnets together and they exert a push or pull.
Magnetic Pole. Two magnets can push each other apart because of their ends.
Magnetic Field. The area surrounding a magnet where magnetic forces can be detected.
Electromagnetism. When electric currents and magnetic fields interact with each other.
Electromagnet. Combines the magnetic field of the solenoid with the magnetic field of the magnetized one.
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