Electrostatic Force
Static In Real Life
Friction Charging
Induction
Conduction
100
Electrons carry a _________ charge
"NEGATIVE"
100
Van de Graaff generators become charged by removing a lot of electrons from the metal ball. This gives them a ________ charge.
"POSITIVE"
100
Friction charging is the movement of ________ from one material to another when rubbed together
"ELECTRONS"
OR "CHARGE"
100
When a charged PVC rod is brought near this soda can. The can is _________ to the rod.
"ATTRACTED"
100
What is the total charge on both of these conductors?
"TEN 'E' "
200
Objects with ______ charges will repel.
"LIKE"
200
When you are about to be struck by lightning, your hair stands up. This is because all your hairs get a positive charge, causing them to _________ each other.
"REPEL"
200
When the Amber and Cloth were rubbed together, how many electrons did the Amber gain?
"TWO"
200
When a positively charged, glass rod is held to the right of this soda can, the electrons inside the can will be pulled to the ________ (direction).
"RIGHT"
200
When two charged conductors ________ each other, the charge spreads out evenly between them.
"TOUCH" or "CONTACT"
300
As the distance between two charged particles increases, the force between them will ________.
"DECREASE"
300
Electric current is the movement of charge. The subatomic, charged particles that move are the ________ and they have a _________ charge.
"ELECTRONS"
"NEGATIVE"
300
When the Amber and Cloth were rubbed together, how many protons did the cloth gain?
"ZERO"
300
When an external charge is brought close to a metal, it creates a positive side and a negative side. This metal is now ________.
"POLARIZED"
300
What is the final charge on the second metal object?
"FIVE 'E' "
400
As the amount of charge on an object increases, the amount of electrostatic force it exerts will ________.
"INCREASE"
400
Cars are painted using a negatively charged powder. What charge should they give the car, in order to apply an even coating of paint.
"POSITIVE"
400
When a cloth and a rod are charged using friction, the amount of charge that the cloth loses is ________ the amount of charge that rod gains.
"EQUAL TO" or "THE SAME AS"
400
This soda can is being polarized by the negatively charged rubber rod. What is the net charge on the soda can?
"NEUTRAL" or "ZERO"
400
What is the initial charge on metal B?
"NEGATIVE TWO 'E' "
500
Two charged particles exert an ________ and opposite force on each other.
"EQUAL"
500
Spider webs use electrically charged droplets to attract and trap bugs. However, bugs with a _________ charge are NOT affected by the charge of the web.
"NEUTRAL"
500
Rabbit's fur and Hair tend to become __________ charged. This means they __________ electrons when rubbed with other materials.
"POSITIVELY"
"LOSE"
500
Charging by induction works best with materials that are good ___________ of electricity.
"CONDUCTORS"
500
What is the initial charge on A and the final charge on B?
A = "NEGATIVE FOUR 'E' "
B = "NEGATIVE ONE 'E' "