Investigation 15
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University Of Connecticut *
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Course
1010Q
Subject
Astronomy
Date
Apr 3, 2024
Type
Pages
2
Uploaded by GrandKomodoDragon3663
Investigation 15 – Magnetic Field Lines
Jamie Gugliotti, Jinyan Wen, Abigail Bonsu
Activity 1 – Real and Simulated Fields
1.
With the entire class, investigate the magnetic field lines of a bar magnet using a
compass, and compare the results in real-time to the simulation:
https://www.olabs.edu.in/?sub=74&brch=9&sim=74&cnt=4
.
2.
Is there agreement between the simulation and the demonstration from class? Are
there any locations that the fields do not match?
Yes.
Activity 2 – Field Lines
1.
Sketch the magnetic field liAnes of a bar magnet using the simulation. Make your
drawing large enough that you can see the important details and features of the field.
2.
Sketch the magnetic field lines of the Earth. You can use this simulation:
https://simphy.com/weblets/earth-magnetic-field-simulation-3d/
.
3.
List some similarities and differences between a bar magnet field and the Earth’s
magnetic field.
There is one more line from out of north.
4.
What is the relationship between the Earth’s geographic and magnetic poles?
There are some more magnetic lines appear from north to the center of the earth.
5.
When you are done, be sure to submit your sketches with the rest of your
investigation.
Extensions
1.
What is the direction of the magnetic field lines at points 1, 2, and 3? In your
explanation, be sure to include how we define the direction of a magnetic field. Make
sure to show your work and/or explain your reasoning.
At point one, the magnetic field is going to the right, or pulling away from the north pole
of this magnet. At point two, the magnetic field is going around on a curved line to the
left towards the third point. At point three, the field is traveling to the right, into the south
pole of the magnet.
2.
True or false: Scientists have been able to isolate a North pole of a magnet. Make
sure to show your work and/or explain your reasoning.
False, scientists have not been able to isolate a North pole of a magnet.
Magnetic poles are always together, there cannot be a north pole without a south pole. If
you were able to separate them, then the magnetic field would be nonexistent because
there are no longer two things pulling away from or attracting each other.
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