Electricity I
What is a form of energy that involves the flow of electric charges?
electricity
An _________________ is made when an electric current is flowing through a wire wrapped around a piece of metal and forms a temporary magnet.
an electromagnet
When an object attracts certain metals it is called a _____________.
magnet
A stuffed animal has 4 positive and 2 negative charges. Does it have a negative, positive, or neutral charge?
positive
Tiny particles that have an electric charge and are present in all matter are called ______________.
atoms
Glass, plastic, and wood. Conductors or Insulators?
The area around a magnet where the force of the magnet can act is called the _______________.
magnetic field
A banana has 4 positive and 4 negative charges. Does it have a negative, positive, or neutral charge?
neutral
What occurs when electric charges build up on the surface of an object?
static electricity
What material doesn't allow electricity to flow through it easily?
insulator
The pushing or pulling force caused by a magnet is called _______________.
magnetism
A dog has 7 positive and 8 negative charges. Does it have a negative, positive, or neutral charge?
negative
What type of material allows electricity to flow through it easily?
conductor
What material allows electricity to flow through it easily?
conductor
Where is a magnet's magnetism the strongest?
poles
The continuous flow of negative charges through a material is called _____________ electricity.
Objects that have the same kind of electric charge _________ each other.
repel
Silver and copper. Conductors or Insulators?
conductors
An electromagnet can be made stronger by increasing the amount of ______________ flowing through a wire.
electric current
An unbroken path through which negative electric charges flow is called a __________.
circuit
When a magnet doesn't touch a metal object but it moves the object this is because of the magnet's ________________.
magnetic field