Electricity and Magnetism 1
Electricity and Magnetism 2
Electricity and Magnetism 3
Electricity and Magnetism 4
Electricity and Magnetism 5
100
Where is the force of attraction strongest on a magnet
At the poles
100
Can all metals be attracted to a magnet?
No
100
Glass is a good conductor of electricity.
No
100
If the circuit is open that means the light is off? true or false
True
100
The same magnetic poles do what?
Repel
200
This picture shows...
Repulsion (repel)
200
Electric charges that are alike they____ and electric charges that are different they_____
Repel, attract
200
Electrons flow from in what direction? (leave the battery on what terminal and return to the battery on what terminal?
negative to positive
200
When an object has too many electrons it has a ______________ charge
Negative
200
The area around a magnet is known as..
magnetic field
300
A nail wrapped in copper attached to a battery
Electromagnet
300
The current that flows in one direction.
Direct Current
300
When each light bulb has its own path for electricity
parallel circuit
300
If a magnet is broken in half, what poles would each piece have.
North and South
300
What are the two terminals on a light bulb?
base terminal and side terminal
400
A circuit with two or more branches is a...
Parallel Circuit
400
A circuit with one path is a...
Series Circuit
400
What happens to the brightness of lightbulbs when more bulbs are added in a parallel circuit?
nothing - they stay the same brightness.
400
What is the force field surrounding an electromagnet called?
electromagnetic field
400
What is the name of the clip that we used to hold the wires on the batteries and bulb holders?
Fahnestock clips
500
If you rubbed two balloons on your hair what will happen if you put them close together?
They will push (repel) away from each other.
500
Walking across a carpet you get electrons all over your body by conduction, friction or induction.
friction
500
What is the invisible area around a magnet where the pull of the magnet is located?
force field
500
Thin, long wires and light bulbs are types of _______ that slow down the movement of electricity.
resistors
500
The measurement of the thickness of a wire.
gauge