Electricity in most homes flows through
The two ends of a magnet are called
Electrical charges builds up when
A(n) ___________________ is a material that does not allow electricity to flow through it easily.
Copper is an example of a good
A build of of electric charge that causes lightning is called
Magnets stick to
When magnets pull together, they
A _______________ is a pathway for the flow of electricity.
A plastic ruler can get a positive charge by
How many poles does a magnet have?
An object has a ______________ charge if it has extra positive charges.
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