Electricity
This is the flow of electric charges.
Opposite poles of a magnet do this.
attract
To push away is to do this.
repel
To pull together is to do this.
attract
A circuit with only one path for electric current to flow is _______________________?
Series
A path for electric current to flow.
circuit
This is where the pull of a magnet is strongest.
poles
A circuit with more than one path for electric current to flow.
parallel
These are found in the nucleus of an atom.
protons and neutrons
This allows the flow of electricity or stops the flow of electricity?
switch
When using a battery, current always flows from the ________ side to the ________ side.
positive to the negative
A device that changes motion into electrical energy.
generator
The area around a magnet where its force attract or repel.
magnetic field
In this type of circuit if one bulb goes out all of the bulbs go out.
series
Cause: An object with a negative charge is placed near an object with a positive charge.
Effect: ??????
Effect: Electrons jump from the negatively charged object to the positively charged object.
When you turn on a switch this happens to the circuit.
it closes the circuit
A device that changes electricity into mechanical energy (motion)
motor
A buildup of electrical charges on an object or material is called ______________________.
static electricity
A device that indicates the direction of the Earth's magnetic North Pole is a _____________________.
compass
The 3 materials that attract magnets are:
iron, cobalt, nickel
Two safety devices that are designed to open a circuit if too much current is flowing through the wires are ________________________ and ___________________.
fuse(s) fuse box and circuit breakers
This type of magnet is a temporary magnet that can be controlled by a switch.
electromagnet
The fast movement of electric charges from one object to another is called?
electrostatic discharge
Which of the following can move from atom to atom: proton, neutron, or electron?
What happens to an atom when it moves?
The atom it leaves becomes positively charged. The atom it joins becomes negatively charged.
Name 3 places you would find an electromagnet?
junkyard
telephones
doorbells
speakers
computers