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Building an Electromagnet
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Students construct electromagnets and determine that the more winds of wire coil around the core will increase the strength of the electromagnet.

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Nancy Thill
Date Added:
08/16/2012
Electromagnets
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Electromagnets combine two things we are familiar with: electricity and magnets. They are more common than you think! Did you know your doorbell actually contains an electromagnet? In this seminar you will learn what an electromagnet is and how it works. By the end of this seminar, you will be able to compare and contrast magnets and electromagnets.Standards3.2.5.B4Demonstrate how electromagnets can be made and used.

Subject:
Physical Science
Material Type:
Lesson Plan
Author:
Bonnie Waltz
Deanna Mayers
Tracy Rains
Date Added:
10/10/2017
Faraday's Electromagnetic Lab
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CC BY
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Play with a bar magnet and coils to learn about Faraday's law. Move a bar magnet near one or two coils to make a light bulb glow. View the magnetic field lines. A meter shows the direction and magnitude of the current. View the magnetic field lines or use a meter to show the direction and magnitude of the current. You can also play with electromagnets, generators and transformers!

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Danielle Harlow
Kathy Perkins
Michael Dubson
Date Added:
10/22/2006
Generator
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CC BY
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Generate electricity with a bar magnet! Discover the physics behind the phenomena by exploring magnets and how you can use them to make a bulb light.

Subject:
Physical Science
Physics
Material Type:
Simulation
Provider:
University of Colorado Boulder
Provider Set:
PhET Interactive Simulations
Author:
Archie Paulson
Carl Wieman
Chris Malley
Danielle Harlow
Kathy Perkins
Michael Dubson
Date Added:
04/01/2008
Investigating How to Create a Stronger Electromagnet
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This activity is a guided inquiry investigation where students will propose a question on what makes an electromagnet stronger. They will conduct a controlled experiment to answer their own question.

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Science Education Resource Center (SERC) at Carleton College
Provider Set:
Pedagogy in Action
Author:
Stan Mraz
Date Added:
08/16/2012
Magnetic Pendulums
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In this activity and demonstration about electricity and magnetism, learners observe how the current generated when one copper coil swings through a magnetic field starts a second coil swinging. Learners also explore what happens when they change the polarity of the magnet, reverse the coil, or add a clip lead to short-circuit the coils. Use this activity to illustrate how electricity and magnetism interact. The assembly of the electromagnetic swing device takes about an hour.

Subject:
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
Exploratorium
Provider Set:
Science Snacks
Date Added:
11/07/2012
Series load
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Why does the deflection change when an electromagnet is attached to the circuit? Does it matter what side of the electromagnet we test? Created by Brit Cruise.

Subject:
Physical Science
Physics
Material Type:
Diagram/Illustration
Provider:
Khan Academy
Provider Set:
Khan Academy
Author:
Brit Cruise
Date Added:
07/02/2021
Simple Spinner
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CC BY-NC-SA
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In this activity, learners create a tiny electric, motorized dancer. Learners use the interactions of magnetism and electric current to make a wire spin, while displaying the Lorentz Force in action. This lesson guide provides one of many ways to build the spinner and links to other methods.

Subject:
Career and Technical Education
Electronic Technology
Material Type:
Activity/Lab
Provider:
Exploratorium
Author:
Eric Muller
The Exploratorium
Date Added:
11/07/2007