
What is Electricity? Presentation
Presentation
•
Science
•
11th - 12th Grade
•
Practice Problem
•
Medium
Standards-aligned
Sara Alattar
Used 11+ times
FREE Resource
16 Slides • 7 Questions
1
What is Electricity? Presentation
2
Electricity is all around us:
Powering technology:
•Cell phones
•Computers
•Lights
•Heaters
•Air conditioners
Nature:
lightning in a thunderstorm
3
Electricity is defined as the flow of electric charge
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5
Multiple Choice
Protons have________
Negative charge
Positive charge
No Charge
6
Multiple Choice
Atom's Nucleus is made of ______
Protons and neutrons
Protons and electrons
Protons, neutrons and electrons
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8
9
Multiple Choice
charges of the same type ________ each other
attract
repel
10
11
Electric Potential Energy
A charge’s electric potential energy describes how much stored energy it has
12
What is electric potential energy?
Electric potential energy is the energy that is needed to move a charge against an electric field.
You need more energy to move a charge further in the electric field, but also more energy to move it through a stronger electric field.
Think of it as changing KE to PE and vice versa
13
Follow the link to see how Electric charges interact
https://phet.colorado.edu/sims/html/charges-and-fields/latest/charges-and-fields_en.html
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Direction of positive and negative charges forces in an electric field
Positive
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Direction of positive and negative charges forces in an electric field
Negative
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20
Multiple Choice
Materials that allow electrons to flow through them easily are called___________
conductors
simiconductors
Insulators
21
Multiple Choice
Wood is an example for________
conductors
simiconductors
Insulators
22
Multiple Choice
Copper is an example for ___________
conductors
semiconductors
insulators
23
Multiple Choice
Insulators are _________
Materials that allow electrons to flow through them easily
Materials that do not allow electrons to flow through them easily are called
Materials that have an electrical conductivity that increases with temperature
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