Electric charges will flow continuously only through a closed conducting loop called THIS
What is a circuit?
100
THIS circuit has only one path for electrons to flow.
What is a series circuit?
100
The two poles of a magnet are known as THESE.
What are North and South?
100
A current-carrying wire wrapped around an iron core is called THIS.
What is an elctromagnet?
200
A material in which electrons can-not move easily from place to place
What is an insulator?
200
THIS is the measure of how much electrical potential energy can be transformed into other forms of energy.
What is voltage?
200
The type of circuit that allows electricity to flow through more than one path is THIS?
What is a parallel circuit?
200
THIS surrounds all magnets.
What a magnetic field?
200
THIS is a device that uses a magnetic filed to turn motion into electricity.
What is a generator?
300
Metals such as copper, gold, sliver, and aluminum are examples of THIS type of material.
What is a conductor?
300
The measure of how difficult it is for electrons to flow through a material is called THIS.
What is resistance?
300
THIS circuit has more that one path for electrons to flow.
What a parallel circuit?
300
The earth's magnetic field is called THIS.
What is the magnetosphere?
300
In THIS type of current, electrons flow in one direction.
What is direct current?
400
THIS object can be used to protect a building from being damaged by a lighting strike.
What is a lighting rod?
400
THIS instrument is used to supply energy to an electric circuit by converting chemical energy into electric potential energy.
What is a battery?
400
Standing under a tree during a thunderstorm will put you in danger of THIS.
What is being struck by lightning?
400
Early explorers used THIS instrument which contains a magnet for navigation.
What is a Compass?
400
A device that changes the voltage of an alternating current with little loss of energy.
What is a transformer?
500
If a person has a build up of static electricity and touches another person they may feel a mild electric shock, what is the word that describes this rapid movement of of excess charges from on place to another?
What is electric discharge?
500
If I take a battery and connect it to a lightbulb using wires, then I would have an example of this.
What is an electric circuit?
500
THESE prevent electric wires from overheating in your home.
What are fuses?
500
Opposites poles of a magnet does THIS while like poles do THIS. (TWO ANSWERS)
What are attract and repel
500
THIS machine uses powerful magnets to can be used to to create images of the inside of a human body.