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  • electromagnet
Building an Electromagnet
Read the Fine Print
Educational Use
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Students design and construct electromagnets that must pick up 10 staples. They begin with only minimal guidance, and after the basic concept is understood, are informed of the properties that affect the strength of that magnet. They conclude by designing their own electromagnets to complete the challenge of separating scrap steel from scrap aluminum for recycling, and share it with the class.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Justin Montenegro
Date Added:
10/14/2015
Clean Up This Mess
Read the Fine Print
Educational Use
Rating
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Students are challenged to design a method for separating steel from aluminum based on magnetic properties as is frequently done in recycling operations. To complicate the challenge, the magnet used to separate the steel must be able to be switched off to allow for the recollection of the steel. Students must ultimately design, test, and present an effective electromagnet.

Subject:
Applied Science
Ecology
Engineering
Forestry and Agriculture
Life Science
Physical Science
Physics
Technology
Material Type:
Unit of Study
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Justin Montenegro
Date Added:
09/18/2014
Creating an Electromagnet
Read the Fine Print
Educational Use
Rating
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Student teams investigate the properties of electromagnets. They create their own small electromagnet and experiment with ways to change its strength to pick up more paper clips. Students learn about ways that engineers use electromagnets in everyday applications.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Denise Carlson
Joe Friedrichsen
Malinda Schaefer Zarske
Xochitl Zamora Thompson
Date Added:
09/18/2014
Electromagnets
Read the Fine Print
Educational Use
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In this activity, the students will complete the grand challenge and design an electromagnet to separate steel from aluminum for the recycler. In order to do this, students compare the induced magnetic field of an electric current with the magnetic field of a permanent magnet and must make the former look like the latter. They discover that looping the current produces the desired effect and find ways to further strengthen the magnetic field.

Subject:
Applied Science
Engineering
Material Type:
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Justin Montenegro
Date Added:
09/18/2014
The Energy of Light
Read the Fine Print
Educational Use
Rating
0.0 stars

In this introduction to light energy, students learn about reflection and refraction as they learn that light travels in wave form. Through hands-on activities, they see how prisms, magnifying glasses and polarized lenses work. They also gain an understanding of the colors of the rainbow as the visible spectrum, each color corresponding to a different wavelength.

Subject:
Applied Science
Education
Engineering
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
James Cooper
Mandek Richardson
Patricio Rocha
Tapas K. Das
Date Added:
09/18/2014
Faraday's Electromagnetic Lab
Unrestricted Use
CC BY
Rating
0.0 stars

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
Get Your Motor Running
Read the Fine Print
Educational Use
Rating
0.0 stars

Students investigate motors and electromagnets as they construct their own simple electric motors using batteries, magnets, paper clips and wire.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Ashleigh Bailey
Denise Carlson
Janet Yowell
Joe Friedrichsen
Malinda Schaefer Zarske
Date Added:
10/14/2015
The Good, the Bad and the Electromagnet
Read the Fine Print
Educational Use
Rating
0.0 stars

Using plastic straws, wire, batteries and iron nails, student teams build and test two versions of electromagnets one with and one without an iron nail at its core. They test each magnet's ability pick up loose staples, which reveals the importance of an iron core to the magnet's strength. Students also learn about the prevalence and importance of electromagnets in their everyday lives.

Subject:
Applied Science
Education
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Dayna Martinez
James Cooper Patricio Rocha
Mandek Richardson
Tapas K. Das
Date Added:
09/18/2014
Go with the Flow
Read the Fine Print
Educational Use
Rating
0.0 stars

Students gain an understanding of the difference between electrical conductors and insulators, and experience recognizing a conductor by its material properties. In a hands-on activity, students build a conductivity tester to determine whether different objects are conductors or insulators. In another activity, students use their understanding of electrical properties to choose appropriate materials to design and build their own basic circuit switch.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Daria Kotys Schwartz
Denise Carlson
Joe Friedrichsen
Malinda Schaefer Zarske
Sabre Duren
Xochitl Zamora Thompson
Date Added:
09/18/2014
Magic of Science Magnet Show
Rating
0.0 stars

This grade-3 magnet unit uses stations and challenges to facilitate exploration of magnets. The grand finale is a magnet show that student create and perform for an audience. Aligned to NGSS standards in Force and Motion.

Subject:
Applied Science
Engineering
Physical Science
Material Type:
Activity/Lab
Game
Lesson
Reading
Unit of Study
Author:
Lisa Livelybrooks
Date Added:
05/15/2018
A Magnetic Personality
Read the Fine Print
Educational Use
Rating
0.0 stars

Students learn about magnets and how they are formed. They investigate the properties of magnets and how engineers use magnets in technology. Specifically, students learn about magnetic memory storage, which is the reading and writing of data information using magnets, such as in computer hard drives, zip disks and flash drives.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Denise W. Carlson
Joe Friedrichsen
Malinda Schaefer Zarske
Date Added:
09/18/2014
Simple Spinner
Conditional Remix & Share Permitted
CC BY-NC-SA
Rating
0.0 stars

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
Two Sides of One Force
Read the Fine Print
Educational Use
Rating
0.0 stars

Students learn more about magnetism, and how magnetism and electricity are related in electromagnets. They learn the fundamentals about how simple electric motors and electromagnets work. Students also learn about hybrid gasoline-electric cars and their advantages over conventional gasoline-only-powered cars.

Subject:
Applied Science
Engineering
Physical Science
Physics
Material Type:
Activity/Lab
Lesson Plan
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Abigail Watrous
Denise W. Carlson
Joe Friedrichsen
Malinda Schaefer Zarske
Date Added:
09/18/2014
Whose Field Line Is It, Anyway?
Read the Fine Print
Educational Use
Rating
0.0 stars

Students teams each use a bar magnet, sheet of paper and iron shavings to reveal the field lines as they travel around a magnet. They repeat the activity with an electromagnet made by wrapping thin wire around a nail and connecting either wire end to a battery. They see that the current flowing through a wire produces a magnetic field around the wire and that this magnetic field induced by electricity is no different than that produced by a bar magnet. The experience helps to solidify the idea that electricity and magnetism are deeply interrelated.

Subject:
Applied Science
Education
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Dayna Martinez
James Cooper
Mandek Richardson
Patricio Rocha
Tapas K. Das
Date Added:
09/18/2014
Yogurt Cup Speakers
Read the Fine Print
Educational Use
Rating
0.0 stars

Students are introduced to the role of electricity and magnetism as they build speakers. They also explore the properties of magnets, create electromagnets, and determine the directions of magnetic fields. They conduct a scientific experiment and show cause-effect relationships by monitoring changes in the speaker's movement as the amount or the direction of the current change.

Subject:
Applied Science
Career and Technical Education
Electronic Technology
Engineering
Material Type:
Activity/Lab
Provider:
TeachEngineering
Provider Set:
TeachEngineering
Author:
Ivanka Todorova
Jed Lyons
Trevor Roebuck
Date Added:
09/18/2014