Show:
Static Electricity
Electric Current
Magnets
Electromagnets
100
Units of electricity carried by tiny particles in an atom
What are electric charges?
100
The constant flow of electric charges
What is electric current?
100
An object that attracts some metals
What is a magnet?
100
A strong temporary magnet
What is an electromagnet?
200
Charges that are the same
What are like charges?
200
Materials through which negatively charged particles move easily
What are conductors?
200
The property of magnets to attract metal
What is magnetism?
200
A machine that changes electrical energy into energy of motion
What is an electric motor?
300
Charges that are different
What are unlike charges?
300
Materials through which electric charges do not flow easily
What are insulators?
300
The space in which a magnet's force can act
What is the magnetic field?
300
An iron core around which wires are wrapped in an electric motor
What is a shaft?
400
An electric charge that builds up on a material
What is static electricity?
400
The pathway that electric current follows
What is an electric circuit?
400
The two sides of each magnet where magnet's force is greatest
What are the magnetic poles?
400
A magnet around an electromagnet
What is a permanent magnet?
500
Release of the built-up negative charge
What is an electrical discharge (or spark)?
500
An object that changes chemical energy into electrical energy
What is an electric cell?
500
An instrument that tells you which direction is north
What is a compass?
500
An object that uses magnetism to change energy of motion into electrical energy. (The opposite of a motor)
What is a generator?