Magnetism
The area of magnetic force around a magnet is called _____
What is a magnetic field?
The flow of electrical charges through a circuit is called ____.
What is current electricity?
A flow of electricity can be switched on and off by ______
What is a circuit breaker?
A magnet's force is strongest at its ______
What is a pole?
A balloon can stick to a wall because of ______
What is static electricity?
The voltage of an electric current is changed by _______.
What is a transformer?
When two magnets pull toward one another we say they ______
What is attract?
A ____ must be replaced because it melts.
What is a fuse?
After a fuse blows, what does the circuit breaker do?
What is a reset?
What are magnets made of?
What is iron, nickel, and cobalt?
In a ______ electricity can flow through more than one path.
What is a parallel circuit?
What happens when the insulator breaks around a circuit?
What is a short circuit?
What determines the strength of magnetic attraction?
What is the distance of the magnets?
In a series circuit, electricity flows ______.
What is the same direction along a single path?
Describe how series and parallel circuits are similar.