The Basics of Electricity: Part 3
Presentation
•
Science
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6th - 8th Grade
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Practice Problem
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Medium
Samantha Bryan
Used 23+ times
FREE Resource
9 Slides • 5 Questions
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The Basics of Electricity: Part 3
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Multiple Choice
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Multiple Select
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Voltage
The measure (“push”) of energy
given to the charge flowing in a
circuit.
The greater the voltage, the greater
the force or “pressure” that drives
the charge through the circuit.
Volatage is measured in volts.
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Multiple Choice
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Electromagnets
Electromagnets are made from a
current-bearing coil of wire
wrapped around an iron or steel
core.
The more times the wire is wrapped
around the iron core the stronger
the electromagnet.
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How It Works
The current passing through the coils of wire
magnetizes the iron nail.
More coils around the wire
equals stronger magnetic field.
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Multiple Select
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Generators
A generator is a machine that
changes mechanical energy to
electrical energy
Usually use moving magnets to
create currents in coils of wire.
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Multiple Choice
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Motors
A motor is a device that changes
electrical or chemical energy to
mechanical energy.
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The Basics of Electricity: Part 3
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