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Vocabulary
Lesson 1
Static Electricity
Lesson 2
Electric Current
Lesson 3
Magnets
Lesson 4
Electro-
magnet
100
A device that changes electrical energy into energy of motion.
What is a motor?
100
+
What is a positive charge?
100
Negatively charges particles move easily through this kind of material.
What is a conductor?
100
The property of magnets to attract metal.
What is magnetism?
100
A strong, temporary magnet.
What is an electromagnet?
200
Two two areas on a magnet with the greatest magnetic force.
What are magnetic poles?
200
This is what unlike charges do.
What is attract?
200
The constant flow of electric charges.
What is electric current?
200
The names of the magnetic poles.
What are north and south?
200
A device that uses magnetism to convert energy of motion into electrical energy.
What is a generator?
300
Magnet
What is an object that attracts certain metals, mainly iron.
300
Static Electricity
What is a build- up of electric charges?
300
A circuit with gaps.
What is an open circuit?
300
The space in which a magnet's force can act.
What is magnetic field?
300
A motor.
What is a device that changes electrical energy into energy of motion?
400
Electric Current
What is a continuous flow of electric charges?
400
It cause a shock.
What is an electric discharge?
400
A switch.
What is used to open and close a circuit without disconnecting the wires?
400
The center of this is mostly made of melted iron.
What is the Earth?
400
The parts of an electromagnet.
What are wires, a battery, and a nail?
500
Electric Cell
What is a device that turns chemical energy into electrical energy?
500
Electrically Neutral
What is matter that has the same number of positive and negative charges?
500
The two types of circuits.
What are series circuit and parallel circuit?
500
The force is the greatest.
What are the magnetic poles?
500
Ways to save money on electricity.
What is using a safety cord to plug in appliances, turning off your computer, and turning off lights and unused items when not in the room?