anthing that will attract or pull iron, steel, and certain other metals to it
copper or aluminum
A magnet does not attract ________ and _______.
where a magnet's magnetism acts
If a magnet is allowed to swing freely, the north-seeking pole will point ___________.
Like ends of two magnets will push away or ____________ each other.
opposite ends of a magnet will pull together or _____________ each other.
The magnetic force of a magnet is greatest at its _______________.
A small magnet that can turn freely and is used to find directions is a ____________.
The Earth acts like a giant ___________.
The northern lights are caused by the earth's magnetic field when ________________ from the sun form a pattern around the earth's magnetic poles.
Electricity can be generated by sliding a ____________ back and forth through a coil of wire.
Most electricity is made by a machine called a ________________.
A generator needs a _________ and an energy source to generate elctricity.
An _________________ is a temporary magnet when electric current flows through a wire coil.
An electromagnet can be turned on and off by opening and closing an _________________.