M-A+Magnetism

media type="custom" key="15499734" width="315" height="315" align="right"MAGNETISM

What causes objects to move or change? What is a force? Can we see a force? What are some examples of pulling and pushing forces? What is friction? How does a compass work? What are the "poles" of a magnet and how do they affect magnetism? Are all magnets equal in strength? How can we find out how strong a magnet is? How are magnets made? What is an electromagnet?