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Energy
Electricity
Magnets
Electromagnetism
Random
100
The kind of energy that you use when you run down a hill?
What is mechanical energy.
100
This tool is used to turn an electric current on and off.
What is a switch.
100
The attraction or repulsion of magnetic materials.
What is magnetism.
100
An electromagnet has three essential parts.
What is wire coil, iron core, and current.
100
When a north pole is brought near a north pole.
What is repel.
200
The acronym used for remembering the five forms of energy.
What is MELTS.
200
Electricity cannot flow through.
What is an open circuit.
200
The kind of magnet that is formed when a nail is touching a magnet and is able to pick up a paper clip.
What is a temporary magnet.
200
What the core of a electromagnet must be made of.
What is iron.
200
The region of magnetic force around a magnet.
What is magnetic field.
300
The two kinds of energy in use when a radio is turned on.
What is electrical and sound energy.
300
Electricity can flow through.
What is a closed circuit.
300
What material is always attracted to metal?
What is iron.
300
The strength of an electromagnet will increase when...
What is add more coils.
300
The tool that uses the north and south pole of the earth to point others in the right direction.
What is a compass.
400
The two kinds of energy in use when a fire is burning.
What is light and thermal energy.
400
A material through which an electric current cannot move freely.
What is an insulator.
400
This is the part of a magnet where magnetic force is the strongest.
What are poles.
400
This device uses an electromagnet to let people know that someone is there to see them.
What is a doorbell.
400
A magnet has less of this when it is broken in half.
What is force.
500
The two kinds of energy in use during a musical dance number.
What are mechanical and sound energy.
500
The pathway through which electric current flows.
What is an electrical circuit.
500
This rock is magnetic.
What is lodestone.
500
The pony of express was the fastest form of communication before this invention which used electromagnetism.
What is the telegraph.
500
The name of the inventor of the telegraph.
Who was Samuel Morse?