CK-12 Physical Science Concepts - For Middle School

5.84. Electromagnetism http://www.ck12.org

Vocabulary

• electromagnetism: Magnetism produced by electric current.

Explore More

Watch the video about electromagnetism at the following URL. Then complete the task at the end of the video.

http://www.youtube.com/watch?v=bSge-qDcS4Y

MEDIA

Click image to the left for use the URL below.

URL: http://www.ck12.org/flx/render/embeddedobject/82396

Review

1. Define electromagnetism.


2. Apply the right hand rule to determine the direction of the magnetic field around the wire shown below. The
   arrow inside the wire shows the direction of electric current flowing through the wire. Add more arrows to the
   sketch to show the direction of the magnetic field.


3. Why is electromagnetism more useful than regular magnetism?