Warm-up, 12.02.2009 What are the three things you need to make an electromagnet? What are three metals that can become magnets?
What are three metals that can be magnets? What part of the atom is responsible for magnetism? Why does the Earth behave like a huge magnet? What happens when you cut a magnet in half? Draw a picture. What is MRI used for? Which planets have a magnetic field? Why don’t all planets have a magnetic field? What is magnetism caused by? Name one use for magnetism that you did not know before this video.
Chapter 14 Notes ___________: A group of atoms with aligned magnetic poles. ___________: A region where a magnet’s force is strongest. ___________: Something that exerts a force on magnets or objects made of magnetic material.