Show:
Electricity
Circuits
Magnets
Electromagnetism
Misc
100
The build up of electrical charges
What is static electricity
100
An incomplete or broken path for electric current
What is open circuit
100
The ends of a magnet
What are the magnetic poles
100
A temporary magnet made by passing a current through a wire wrapped around an iron core
What is electromagnet
100
The opposite ends of a magnet do this
What is attract
200
Unit used to tell how much current is moving past a point in one second
What is ampere
200
A complete or unbroken path for electric current
What is closed circuit
200
Poles of the same type will do this to each other
What is repel
200
Why is an electromagnet temporary?
What is When you shut off the power it no longer works
200
This type of rock has the properties of a magnet.
What is lodestone
300
Electricity is caused when these are transferred from one atom to another
What is electrons
300
A circuit in which all current flows through a single path
What is a series curuit
300
Area around a magnet in which magnetic forces can act
What is magnetic field
300
This device converts electrical energy to mechanical energy.
What is a motor
300
A diagram that uses symbols to show the parts of a circuit
What is a schematic diagram
400
This is an example of static electricity discharged between clouds
What is lightning
400
A circuit in which there is more than one path for current
What is a parallel circuit
400
Lines that show where a magnetic field is
What is lines of force
400
How you increase the magnetic field in an electromagnet
What is increasing the power or more turns on the wire
400
If you add extra batteries to this type of circuit you increase the voltage
What is series
500
This is the movement of elctrons form one place to another
What is electric current
500
In this type of circuit, when you add more devices they all get the same power but you need to add more current
What is parallel
500
These are caused because of the Earth's magnetic attraction of electrically charged particles from the sun.
What is Northern Lights
500
Speakers, earphones, and telephones use electronmagnets to change electric current into this
What is sound waves
500
What two devices are used to prevent circuits from overloading
What is Fuses and Circuit breakers