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What is static electricity/charge
A buildup of electric charges that can be collected and held in one place
What are materials called that allow electrons to easily move around
Conductors
What are materials called that do not allow electrons to not move around easily
Insulators
Examples of Insulators
Glass
Ceramics
Plastic
Rubber
Dry wood
Examples of Conductors
Metal
Copper/Allumininum
Gold
Silver
We want charges to stay in one place because
Only insulators can retain a static charge
What is the unit of electric charge called
Coulmb
Friction creates
Charge
What is grounding
The process of directing excess electricity to the ground with a wire.
What is electric force
A push or pull between charged objects. It is an action at a distance force
Action at a distant force
A force that can be applied to an object without touching it
Like charges
Repel
Opposite charges
Attract
Neutral objects are attracted to
charged objects
If you increase the amount of charge you increase the
electric force
If you increase the distance between charged objects, you decrease the
electric force
The farther you move away the less
force there is
What are the two ways of charging an object
Charging by conduction
Charging by induction
What is charging by conduction
Charging a neutral objects by touching it to a charged object
What is charging by induction
Charging a neutral object without touching it to a charged object
Conduction and induction is not a
Insulator or conductor
What is a electroscope
It is a instrument for detecting and measuring electricity especially for ionisation of air by radioactivity.
Ecosystems vary with
the amount of light they get
Note
Flashcard