Read the textbook, Fantastic Voyages, Chapter 4, pages 59-71, describing electricity and magnetism. The film Core is not included in the textbook but a description may be found online.Since the film deals with the Earth’s magnetic field as well as with the composition of the Earth, you should search for information on both topics on the internet.
Just answer 3 question;
1. List the URL of at least one web site that deals with either the Earth’s magnetic field or with the composition of the interior of the Earth.
2. Describe the layers of the Earth as presented in the film and compare them to the best estimate of the scientific community today.
3. What did the film say caused the problems with the Earth’s magnetic field?