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Notes: Magnetic Forces

Notes: Magnetic Forces. Period 6: What we know about magnets:. Not sticky There is a force when you put them together They attract They involve some force of gravity. Period 7: What we know about magnets:. Negative/positive side Put opposite sides together Connect with each other

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Notes: Magnetic Forces

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  1. Notes: Magnetic Forces

  2. Period 6: What we know about magnets: • Not sticky • There is a force when you put them together • They attract • They involve some force of gravity

  3. Period 7: What we know about magnets: • Negative/positive side • Put opposite sides together • Connect with each other • Stick together • Vector fields

  4. Period 6: What we want to learn about magnets: • How do they stick? • What causes the force for them to stick together? • How can they attract to what they stick to?

  5. Period 7: What we want to learn about magnets: • How do they connect? • What’s inside them? • How do you make a magnet? • How do vector fields work?

  6. What is a magnet? Video Clip http://www.youtube.com/watch?v=Fxx5kXT6kgs

  7. How are gravity & magnetism alike? • Earth’s gravity attracts objects near earth, just as a magnet attracts objects near it. • Both gravity & magnetism can exert forces on other bodies without touching them. • The size of the forces of gravity and magnetism on an object is inversely proportional to the distance between the objects.

  8. How are gravity & magnetism different? • Gravity is only an attraction between bodies. Gravity does not repel other bodies. • Gravity acts on all objects (matter), magnetism does not.

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