Show:
Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
100
This is when there is an excess of positive or negative charge in an object.
What is static electricity?
100
Electric charge in motion.
What is electric current?
100
Two examples of things that change electrical energy into sound energy.
What is tv, radio, computer, microphone, ect.?
100
A force that acts on moving electric charges and magnetic materials.
What is magnetism?
100
A magnet that only works when electricity is provided.
What is an electromagnet?
200
The symbol for a positive charge
What is (+) a plus sign?
200
When a switch is turned off the circuit is this.
What is broken or open?
200
The definition of a filament.
What is a thin coiled wire that gets very hot without melting?
200
The way magnets are made/structured.
What is with a north and a south pole?
200
Flowing electricity currents produce this.
What is a magnetic field?
300
This is what it is called when an object has equal negative and positive charges.
What is neutral?
300
Gold, copper, pencil lead are all examples.
What is a conductor?
300
The reason electrical wires can become hot.
What is because when a current passes through a resistor it gives off heat?
300
The place where magnets are the strongest.
What is the poles?
300
The two ways to increase an electromagnet strength.
What is add more coils or add a bigger power source?
400
What objects will do if they have an opposite charge.
What is attract or pull toward each other?
400
A material through which electricity does not flow.
What is an insulator?
400
A wind turbine changes _______ energy into _______ energy.
What is kinetic and electrical?
400
The reason a compass will always point to the north.
What is the earth has a magnetic field at the poles?
400
The faster you move a magnet or a coiled wire the _______ the electric current.
What is stronger?
500
How a small zap and a lightning bolt are similar.
What is they both result in the movement of charged particles?
500
The type of circuit that still works even if there is a break in a part of the circuit.
What is a parallel circuit?
500
Energy cannot be _________ it can only be __________.
What is lost/destroyed and transformed/change form?
500
This is what happens when the same poles of magnets are put together.
What is repel?
500
How a wind turbine produces electricity.
What is Wind moves the blades that move the coiled wire around magnets and this produces electricity?