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Vocabulary Words
Magnetic Personality
Artist/Title
Nice Device!
Field of Dreams
100
Any material that attracts iron or materials containing iron
What is a magnet?
100
a coil that has a soft iron core and that acts as a magnet when an electric current is in the coil.
What is an electromagnet?
100
a coil of wire that produces a magnetic field when carrying an electric current
What is a solenoid?
100
a device that converts mechanical energy into electrical energy
What is an electric generator?
100
The two parts of a magnetic field are known as these.
What are the north and south pole?
200
One of two points, such as the ends of a magnet, that have opposing magnetic qualities.
What is a magnetic pole?
200
Created when a wire moves between the poles of a magnet
What is an electric current?
200
Wires being wrapped closely to each other in a solenoid causes this
What is a larger magnetic field?
200
a device that increases or decreases the voltage of alternating current
What is a transformer?
200
This is created when electrons move (NOT electricity)
What are magnetic fields?
300
the field created by moving electric charges
What is magnetic field?
300
Faraday discovered that magnetic fields are created when this happens.
Magnetic fields are made when the electric field changes.
300
This strengthens the solenoid's magnetic field (NOT adding more wire)
increasing the electric current in the wire
300
A device that is made with only a single coil of wire that has current running through it
solenoid (also, electromagnet)
300
What happens if a coil of wire experiences a changing magnetic field?
Electromagnetic Induction (electricity is generated)
400
the process of creating a current in a circuit by changing a magnetic field
What is electromagnetic induction?
400
Galvanometers use ___________ to detect ____________
What are magnets and current.
400
When there is no electric current in a solenoid, it is...
turned off.
400
A transformer that induces a larger current in the secondary coil is known as this.
What is a step-up transformer
400
When a electric field changes in a region, it creates a change in ___________________________
A magnetic field
500
a device that converts mechanical energy into electrical energy
What is an electric generator?
500
a device that changes electrical energy into mechanical energy
What is an electric motor?
500
This kind of current is produced from a generator.
What is alternating current (AC)
500
A microphone is a device that works when _____________, and it is essentially the same as a ____________________.
a coil of wire is vibrated in a magnetic field a speaker
500
What is the formal name for a wave that consists of electric and magnetic fields?
Electromagnetic waves