All matter is made up of small _________________.
Particles
What are charges doing when they repel each other?
They are pushing away from each other
What is a conductor?
A material that allows electricity to flow through it easily.
What is required for electricity to flow?
A path and a power source
What is an object that attracts certain metals?
a magnet
Particles of electricity are called _________________.
Electric Charges
What are the charges doing when they attract each other?
They are pulling toward each other
What are some good conductors?
Metals such as copper and silver, or our bodies
Is a battery a power source or a path?
Power Source
What is the pushing and pulling force on certain objects?
Magnetism
An electric charge can be ________________ or _________________________.
Positive or Negative
Under what conditions do objects repel each other?
When they have the same charge
What is current electricity?
The negative charges have continuous movement through a material.
True or False?
A path must be unbroken for negative charges to flow through.
True
What is the area around a magnet where the force of the magnet can act?
Magnetic Field
True or False?
Positive charges do not move.
True
Objects that have positive charges will repel each other. If both objects have negative charges, will they repel each other?
Yes
What are examples of good insulators?
Wood, Glass, Rubber, Fiberglass & Plastic
Why does a lightbulb light up in a closed circuit?
There is a complete path for the electricity to flow through.
What are the ends of a magnet called?
Poles
When you rub your hair with a balloon, your hair loses __________________ charges.
Negative
Why does static electricity only last for only a few seconds?
The negative charges stop moving once all the charges are neutral.
What did Otis Boykin invent?
Controls for a pacemaker
How is a parallel circuit different from a series circuit?
A parallel circuit has more than one path for the electricity.
A temporary magnet that forms when electric current flows through a wire coiled around certain metal cores is called _______________________.