What are thooose?
Take charge!
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Generating answers
Extra Electrons
100
An electric charge that can stay in one place for a period of time.
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 object to another
What are conductors?
100
Robert J. Van de Graaff created what device?
Van de Graaff generator
100
The charge of an object with 15 electrons and 18 protons.
What is positive?
200
When a static charge gains or loses negative charges to become neutral.
What is static discharge?
200
Objects become positively charged when they ________ electrons.
What is lose?
200
A substance that blocks the movement of electrons
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
An object that has the same number of positive and negative charges.
What is neutral?
300
When an object is charged by rubbing it against another object.
What is friction?
300
What happens when an object is grounded?
The object is connected to the earth causing it to lose any excess charge.
300
This device is used to generate static electricity.
What is a Van de Graaff generator?
300
When two objects with opposite charges are brought near each other they will be ____________
Attracted
400
Particles with positive charges are ______, and particles with negative charges are ______.
What are protons and electrons?
400
Objects touch and an electric charge is passed from one object to another.
What is charging by conduction?
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 purpose of a lightning rod.
What is redirecting electrons safely to the ground?
500
Powerful static discharge through the air.
What is lightning?
500
When a charged object is brought near a neutral object this causes a slight shift of charges that attract the object, this is called...
What is induction?
500
An example of an insulator is...
Oil, fur, wool, rubber, glass, plastic, etc,
500
The reason the pie tins flew off of the Van De Graaff Generator.
What are repelling charges?
500
Interpret this graph.
When the particles are close together the force between them is strong. As the particles move apart the force between them decreases.