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Motion and Forces

Unit 3 Lessons 1-4

TermDefinition
electric charge 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 of electric charges.
voltage 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 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 follow.
parallel circuit electric charges have more than one path that they can follow.
magnet any material that attracts iron or objects made of iron.
magnetic force a push or pull when two magnets are together
magnetic poles two magnets can push each other apart because of their ends or....
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 iron core.
Created by: 18kielyc0311
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