9.1 Types of Electric Charge
They are the negatively charged particles in a material.
What are electrons?
The charge on a Van de Graff
What is a negative charge?
A material that can easily transfer electrons from atom to atom.
What is a conductor?
A device demonstrated in class that separates a large amount of charge.
What is a Van De Graaff generator?
What are two ways to avoid getting shocked by an electric fence when you grab it?
What is jumping in the air and standing on an insulator?
Description of charges that repel each other
What are "like" charges?
What is the name of the effect that causes you not to get hurt when your car is struck by lightning?
What is Farady Effect?
Wood is an example of a....
What is an insulator?
The effect on electric force when charged objects are moved away from each other.
What is a decrease in electric force?
It reduces friction on the clothes in the dryer.
What is fabric softener?
These kinds of charges attract.
What are different charges?
This is created when a cloud rises and particles rub against themselves
What is lightening?
When a negatively charged object is brought near the ball of an electroscope, this is the charge on the metal leaves.
What is negative?
The amount an electrical force changes when the distance between two charges is doubled.
What is decreased by 4x amount?
Why do a stack of metal plates on top of a Van de Graff separate when you turn it on?
What is they become negatively charged and repel each other?
The charge on an object with fewer electrons than protons.
What is a positive charge?
You shuffle across the carpet and when you touch the metal doorknob you feel a shock. It's what causes the shock.
What is a transfer of electric charge or electrons?
A substance in which the electrons are tightly bound to the atoms and cannot freely move to neighbouring atoms.
What is an insulator?
Two ways to increase electric force.
What is decreasing distance or increasing charge?
Famous scientist who proved that lightning is an electrical discharge.
Who is Benjamin Franklin?
Description of why your hair stands on end when sitting on a stool and both hands grab a Van de Graff machine.
What is each piece of hair becomes negatively charged and repels itself?
When a metal sphere is given a charge, the charge spreads out evenly over the surface of the sphere. It is the cause of this.
What is the repulsion of like charges?
The amount a force changes when you double both charges and double the distance between them...
What is they stay the same?