The magnetic field of a magnet is strongest here...
What is close to the magnet
100
This is made by wrapping a wire coil carrying a current around an iron core.
What is an electromagnet
100
Which of the following is not part of a generator? turbine battery electromagnet permanent magnet
What is a battery
100
What is the most common element on earth?
What is hydrogen
200
Where were magnets first discovered?
What is Turkey
200
The ends of a magnet are called this. Some are in the north and some in the south.
What are poles
200
When the current in an electromagnet flows, the electrical energy is converted to this type of energy, which causes it to move towards or away from another magnet
What is mechanical
200
A battery produces this type of current
What is a direct current
200
If I take 2 apples out of a basket containing 6 apples and 4 oranges, how many apples do I have?
What is 2
300
How long ago were magnets discovered?
What is more than 2000 years ago
300
This lines up when a non-magnetic, metalic object is touched by a magnet.
What is the domain
300
Electromagnets are this type of magnet
What is temporary
300
This is the difference between an electric motor and a generator
What is that an electric motor converts electrical energy to mechanical energy, while a generator does the opposite
300
Which US presidents are featured on Mt. Rushmore?
What is Washington, Jefferson, Teddy Roosevelt, and Lincoln
400
What is the mineral that was discovered to have magnetic properites called?
What is magnetite
400
Placing a magnetic material in a strong magnetic field creates this...
What is a permanent magnet
400
By doing this, the forces that make the electromagnet rotate change...
What is change the current
400
This determines whether a transformer increases or decreases voltage...
What is the number of turns on wire in the primary and secondary coils.
400
Who hit the ball that rolled between Bill Buckner's legs in the 1986 World Series?
Who is Mookie Wilson
500
What did Chinese sailors use this magnetic mineral to create?
What is a compass
500
This can cause a permanent magnet to lose its magnetic properties.
What is heated
500
Oersted's hypothesis stated this...
What is that electric current creates a magnetic field.
500
These 2 aspects determine the strength of the magnetic field around an electromagnet
What is the current and number of coils
500
Who did the USA olympic hockey team beat to capture the gold medal in the 1980 winter olympics?