Electric Charge
Electric Circuits
Magnetism
Magnetism & Electricity
Producing a Current
100
These subatomic particles provide a negative charge.
What are electrons?
100
The flow of charge through a circuit.
What is current?
100
The region of Greece from which magnets get there name.
What is Magnesia?
100
Danish physics teacher who discovered the relationship between electricity and magnetism by accident.
Who is Hans Christian Oersted?
100
The process of producing an electric current by moving a magnet through a loop of wire.
What is electromagnetic induction?
200
The accumulation of excess electric charge on an object.
What is static electricity?
200
The three things required for a current to flow through a circuit.
What are a voltage difference (power source), a conductor, and a closed circuit?
200
The property of magnets that describes magnetic materials having a north and south pole.
What is a dipole?
200
A temporary magnet made by placing a piece of iron inside a current-carrying coil of wire.
What is an electromagnet?
200
A device that converts the mechanical energy used to rotate a coil of wire through a magnetic field into electrical energy.
What is a generator?
300
Materials such as copper that allow electrons to flow easily versus materials that inhibit the flow of electrons like wood and rubber.
What are conductors versus insulators?
300
DAILY DOUBLE: Identify each type of circuit.
What is a parallel circuit and a series circuit?
300
A type of magnet with a strong enough magnetic field to prevent domains from falling out of alignment.
What is a permanent magnet?
300
Found in speedometers, this device uses an electromagnet to measure electrical current by converting electrical energy into mechanical energy.
What is a galvanometer?
300
The flow of current through a wire in one direction.
What is direct current?
400
The transfer of electricity between two objects by rubbing them together.
What is charging by contact?
400
The three things that affect resistance in a wire.
What are length, diameter, and temperature?
400
The interaction between like poles and unlike poles.
What is like poles repel and unlike poles attract?
400
Used to propel fans, this device converts electrical energy into mechanical energy by continuously flipping the current in an electromagnet.
What is an electric motor?
400
Reversing the direction of current flow.
What is alternating current?
500
The rearrangement of electrons on a neutral object caused by a nearby charged object.
What is charging by induction?
500
The scientific law describing the affects of resistance and voltage on the current in a circuit.
What is Ohm's Law?
500
This explains how a compass works.
What is the magnetic field of the needle in a compass interacting with Earth's magnetic field?
500
This rule is used to determine the direction of the magnetic field around a current-carrying wire.
What is the "right-hand rule"?
500
A device used to increase or decrease the voltage of an alternating current.
What is a transformer?
M
e
n
u