Term
A circuit that has only one path |
|
Definition
|
|
Term
A continuous flow of negative charges through a material |
|
Definition
|
|
Term
A material that allows electricity to flow through it easily |
|
Definition
|
|
Term
A material that does not allow electricity to flow through it |
|
Definition
|
|
Term
A temporary magnet formed when electric current flows through a wire coiled around a metal core |
|
Definition
|
|
Term
An object that can attract iron |
|
Definition
|
|
Term
An object with nine - charges and three + charges |
|
Definition
|
|
Term
An unbroken path through which negative charges can flow |
|
Definition
|
|
Term
|
Definition
when a current flows through a circuit |
|
|
Term
Every circuit has _____ and _____ |
|
Definition
an unbroken path and a power source |
|
|
Term
Examples of things that use an electromagnet |
|
Definition
fire alarms, telephones, televisions, CD players, computers, doorbells cranes, maglev trains |
|
|
Term
|
Definition
|
|
Term
Have a north pole and a south pole |
|
Definition
|
|
Term
Objects that have the same number of positive and negative charges |
|
Definition
|
|
Term
Objects that have the same number of positive and negative charges |
|
Definition
|
|
Term
Produces electricity by using a coil of wire and a magnet |
|
Definition
|
|
Term
Reduces the amount of electricity that can flow through a material |
|
Definition
|
|
Term
The area around a magnet where the force of the magnet can act |
|
Definition
|
|
Term
The continuous flow of negative charges through a material |
|
Definition
|
|
Term
|
Definition
|
|
Term
The pushing or pulling force caused by a magnet |
|
Definition
|
|
Term
Ways magnets can be used to produce electricity |
|
Definition
by moving a magnet through a coil of wire by moving a coil of wire through a magnetic field |
|
|
Term
What electric power plants use to make generators work |
|
Definition
|
|
Term
Where a magnet's magnetism is strongest |
|
Definition
|
|