Show:
Magnets 1
Magnets 2
Electricity 1
Electricity 2
Potpourri
100
They attract.
What is opposite poles of a magnet?
100
This makes a difference on the force the magnet has on an object.
What is What is distance from the object?
100
A path that allows only one route for an electric current is called this.
What is a series circuit?
100
A circuit that has two or more branches for electrons to follow is called this.
What is parallel circuit?
100
The unit for resistance is this.
What is ohm?
200
They repel.
What is like (or same) charged poles?
200
This is a temporary magnet.
What is an electromagnet?
200
A material through which electrons do NOT easily flow is called this.
What is an insulator?
200
The function of an electric motor is to change _________ energy to __________ energy.
What is electrical to mechanical?
200
Electric charge that has accumulated on an object is referred to as this.
What is static electricity?
300
The region around a magnet where the magnetic forces act.
What is the electromagnetic field?
300
Increasing the number of turns on the wire coil does this to an electromagnet.
What is increases the strength of an electromagnet.
300
The current that flows in an electric circuit carries this type of energy.
What is electrical?
300
In a series circuit with multiple light bulbs, the "brightness" of the first bulb compared to the other bulbs will be this.
What is greater (more, brighter, etc.)?
300
This device is designed to open an overloaded circuit and prevent overheating.
What is circuit breaker?
400
The atoms in a magnet are arranged this way.
What is aligned according to magnetic fields?
400
Two particles move in opposite directions because of this.
What is the same (like) electrical charges?
400
Current that does not reverse direction is called this.
What is direct current?
400
This part of a circuit will stop the flow of electrons.
What is a switch?
400
A dry-cell battery produces this type of current.
What is a direct current?
500
Where the magnetic force exerted by a magnet is the strongest.
What is both poles?
500
As the distance between two magnets decreases the force will do this.
What is increase?
500
Lightning is a large discharge of this.
What is static electricity?
500
A device that increases or decreases voltage in a power line is called this.
What is a transformer?
500
These 3 elements make up the iron triad.
What is iron, cobalt, and nickel?