10 Drag the items on the right into the middle to match with the items on the left. Iron, steel, nickel and cobalt are All magnets are surrounded by A magnetic field is made of many Magnetic field lines always point Two South Poles will Opposite poles will Magnetic field lines can be called You can investigate magnetic fields by A compass will always point from The Earth's iron core generates a the 4 magnetic metals invisible magnetic fields magnetic field lines from North Pole to South Pole REPEL each other ATTRACT each other lines of force using iron filings or plotting compasses North to South in a magnetic field giant magnetic field around the planet 1 0