Electricity and Magnetism Study Guide

Flashcard
•
Physics
•
7th Grade
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is an insulator?
Back
An insulator is a material that does NOT allow electrons to flow easily. Examples include rubber, glass, and plastic.
2.
FLASHCARD QUESTION
Front
What is a conductor?
Back
A conductor is a material that allows electrons to flow easily. Examples include metals like copper and aluminum.
3.
FLASHCARD QUESTION
Front
What happens to the brightness of lights in a series circuit when another light is added?
Back
The lights would all remain lit, but would be dimmer.
4.
FLASHCARD QUESTION
Front
What is the primary reason an electric light bulb is hot to the touch?
Back
Current passing through it produces heat.
5.
FLASHCARD QUESTION
Front
What type of energy transformation occurs in a car battery when it powers headlights?
Back
The transformation is from chemical energy to electrical and light energy.
6.
FLASHCARD QUESTION
Front
What is a circuit?
Back
A circuit is a closed loop that allows electric current to flow.
7.
FLASHCARD QUESTION
Front
What is the difference between series and parallel circuits?
Back
In a series circuit, components are connected one after another, while in a parallel circuit, components are connected across common points.
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