Misc.
Misc.
Misc.
Misc.
Misc.
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 do this...
Repel
200
Electric charges that are different do this...
Attract
200
When an object has more electrons than protons, it has what kind of charge?
Negative
200
Electromagnets can be turned off and on. True or False
True
300
A nail wrapped in copper attached to a battery
Electromagnet
300
Which would a current flow through?
Glass jar
Aluminium ladder
Wooden stick
Rubber balloon
Aluminium ladder
300
What is the purpose of a lightning rod on tall buildings?
To protect the building from a surge of electricity and to give the lightning a safe path to the ground.
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
A circuit with two or more branches is a...
Parallel Circuit
400
A circuit with one branch is a...
Series Circuit
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 while wearing socks builds what on your body?
static charge (surplus of electrons)
500
What happens to the magnetic force experienced by an object as it's distance from the magnet increases.
Magnetic force decreases.
500
Electrons do not have to be moving in order for an electrical current to flow. True or False
False
500
The area around a magnet is known as the ____________ ______________.
Magnetic Field