PHSICS MAGNETS 2.0 / 5 based on 1 rating ? PhysicsElectromagnetismGCSEAQA Created by: Humzah RahmanCreated on: 13-02-16 11:22 What is Lodestone? It is the first magnetic rock found. 1 of 19 What is magnetite? It is another word for lodestone 2 of 19 Can it still be found? yes 3 of 19 What does ferromagnetic mean? It means magnetic materials 4 of 19 What are the 3 elememts? Iron, cobalt and nickel 5 of 19 What happens if a magnet is freely suspended? it points towards the poles 6 of 19 What do like poles do? repel 7 of 19 what do unlike poles do? attract 8 of 19 what is dipole? it is an atom that acts like a magnet 9 of 19 What is a domain? it is a group of dipoles 10 of 19 Can magnets get stronger if the domain is straight? no 11 of 19 what is that called? a saturated magnet 12 of 19 why is steel called a hard magnetic material beacuse it is hard to make magnetic however it stays as a magnetic material forever 13 of 19 why is iron called a soft magnetic material because it is easy to get it magnetised however it comes of easily 14 of 19 3 ways to destroy a magnet? heat it, roughen it up or drop it on the floor 15 of 19 What is a magnetic field? it is where all the magnetism of the magnet is 16 of 19 3 ways magnets are used? pictures, car yard, motors, doors bvells 17 of 19 when magnet is getting weak what is happening inside the magnet the domains are getting rearranged therefore cancelling eachother making itb weaker and weaker 18 of 19 where are the strongest places on a magnet? the poles 19 of 19
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