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unit 3, lesson 1-4,5

electricity and magnetism

electric charge is a property that leads to electromagnetic interactions between the particles that make up matter
static electricity is the buildup of electric charge on an object
electrical conductor is a material through which charges can move more freely
electrical insulator is a material through which charges cannot move easily
semiconductor are a special class of materials that conduct electric charge better than electrical insulators but not as well electrical conductors
electric current the rate of flow of electric charges
voltage is the amount of work required to move each unit of charge between two points
resistance the opposition to the flow of electric charge
electric circuit is a complete, closed path through which electric charges can flow
series circuit all parts are connected in a row that forms on path for the electric charges to follow
parallel circuit electric charges have more than on 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, they exert a push or pull
magnetic pole two magnets can push each other apart
magnetic field the area surrounding a magnet where magnetic forces can be detected
electromagnetism results when electric currents and magnetic fields interact with each other
electromagnet a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil
Created by: 18tgal0513