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Unit 3 Lessons 1-4

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
electric charge   a property that leads to electromagnetic interactions between the particles that make up matter  
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static electricity   the buildup of electric charge on an object  
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electric conductor   a material through which charges can move freely  
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electrical insulator   a material through which charges cannot move easily  
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semiconductors   a special class of materials that conduct electric charge better than electrical insulators but not as well as electrical conductors  
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electric current   the rate of flow of electric charges  
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voltage   the amount of work required to move each unit of charge between two points  
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electric circuit   a complete, closed path through which electric charges flow  
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series circuit   all parts are connected in a row that forms one path for the electric charges to flow  
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parallel circuit   electric charges have more than one path they can follow  
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magnet   any material that attracts iron or objects made of iron  
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magnetic force   a push or pull  
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magnetic poles   ends of magnets  
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magnetic field   the area surrounding a magnet where magnetic forces can be detected  
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electromagnetism   results when electric currents and magnetic fields interact with each other  
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electromagnet   a solenoid wrapped around an iron core  
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