Show:
Electricity Basics
Currents
Circuits
Magnets
Electromagnets
100
Electricity is the flow of these.
Electrons
100
These materials allow the flow of electrons through them.
Conductors
100
This is a circuit with only one path for electrons to flow.
Series Circuit
100
Why does a compass "always point north"?

There is a magnetic south pole located at the geographic north pole. 

100
Name the three things we used to make an electromagnet.
Battery, copper wire, and a nail
200

Give an example of static electricity in nature. 

lightenting

200
Batteries are an example of this kind of current.
Direct Current (DC)
200

If a circuit is all wired correctly and the switch is open, you have this kind of circuit. Is the light bulb on or off?

Open circuit, the light bulb would be off.

200
Opposite poles of a magnet do this.
Attract
200
Give an example of an object that uses electromagnetism.
fan motor,electric can opener, telephone,door bell, etc.
300

If an object has 9 positive charges and 8 negative charges, what is the overall charge?

positive

300
These materials prevent or stop the flow of electrons.
Insulators
300
A circuit with two paths for electrons to move through.
Parallel Circuit
300
If had two magnets with the south poles facing each other what would happen?
They would repel each other.
300
How is an electromagnet different from a regular bar magnet?
It is a temporary magnet. It only works if an electrical current is running through it.
400
This is created when electrons build up on the surface of an object.
Static Electricity
400

What are the required components to build a circuit?

battery, wire, load

400
If a light bulb is on, the circuit is complete and we call this an open or closed circuit?
Closed
400
True or False: When magnets are broken into smaller bits, the bits themselves become small magnets.
True
400

What uses electrical energy and converts it to rotational (mechanical) energy?

Electric Motor
500

Electricty travels at the speed of __________.

light

500
This is the unit used in the measurement of current (#of electrons)
Ampere or Amps
500
The force which moves electrons through a circuit.
Volts/voltage
500

Which direction do magnetic field lines point? (using the words north and south)

Point towards south, away from north
500

What device converts rotational (mechanical energy) into electricity?

Electric Generator