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Generating answers
Extra Electrons
100
An electric charge at rest
What is a static charge?
100
If an object has a more electrons than protons it has a ___________ charge.
What is negative
100
Materials that allow electrons to flow freely from one atom to another
What are conductors?
100
Robert J. Van de Graaff created what device?
Van de Graaff generator
100
A force is a _____ or a ______ on an object.
What is a push or a pull?
200
When a static charge is lost to other objects or the air
What is discharged
200
Objects become positively charged when they ________ electrons.
What is lose
200
A substance in which the electrons are so tightly bound to the atoms making up the material that they are not free to move to a neighbouring atom
What is an insulator?
200
This is the force that exists between static charges.
What is electric force?
200
If a negatively charged object is brought near another negatively charged object they will _________ each other
Repel
300
The study of static electric charge
What is electrostatics
300
When an object is charged by rubbing it against another object.
What is charging by friction?
300
What happens when you ground an object?
The object is connected to the earth causing it to lose any excess charge.
300
This device separates large quantities of electric charge in order to create static charges available for experimentation
What is a Van de Graaff generator?
300
When two objects with opposite charges are brought near each other they will be ____________
Attracted
400
The law that states like charges repel and unlike charges attract
What is the law of electric charges
400
Charging by conduction is when...
Objects touch and an electric charge is passed from one object to another
400
An example of a conductor is
Silver, copper, gold, aluminum, nickel, etc.
400
The two types of electric forces (push/pull) are...
Attraction and repulsion
400
The size of an electric charge is measured in...
Coulombs (C)
500
When a charged object is brought near a neutral object this causes a slight shift of charges within the object, this is called
What is induced charge seperation
500
Charging by induction is when objects are charged...
Without touching or making any direct contact with the object.
500
An example of an insulator is...
Oil, fur, wool, rubber, glass, plastic, etc,
500
The strength of the electric force increases with increasing electric charges and decreases with increasing distance.
What is Coulomb's Law?
500
What happened when we blew bubbles near the Van de Graaff generator?
The neutral bubbles were attracted at first but then became charged and repelled
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