Electricity and Magnetism
Electricity and Magnetism
Electricity and Magnetism
Electricity and Manetism
Electricity and Manetism
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
Wood, glass and brick are examples of
conductors or nonmetals
100
This picture is showing...
Attraction
200
This picture shows...
Repulsion (repel)
200
Electric charges that are alike do this...
Repel
200
Electric charges that are different do this...
Attract
200
When an object has too many electrons it has a ______________ charge
Negative
200
Electromagnets can be turned off and on.
Yes
300
A nail wrapped in copper attached to a battery
Electromagnet
300
Things that don't allow electricity to pass through
Insulators
300
Things that allow electricity to pass through them.
Conductors
300
If a magnet is broken in half, what poles would each piece have.
North and South
300
If you rub a balloon on your hair _______________ move from your hair to the balloon.
Electrons
400
Every magnet regardless of its shape has two ___________ _________.
Magnetic Poles
400
What is our best evidence that the earth has a magnetic field
A compass needle lines up with it
400
When two magnets repel they...
Push apart
400
When two magnets attract, they...
Pull together
400
Static electricity is caused by an imbalance of ____________ and ______________ charges.
Positive/Negative
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 do you call the process of charging a conductor by bringing it near another charged object without touching it.
conduction, induction or conduction
Induction
500
Which two of these have fields that can both attract and repel?
gravitational, tension, electric, magnetic
Electric and Magnetic
500
The area around a magnet is known as the ____________ ______________
Magnetic Field