Electricity
What is Static Electricity
accumulation of excess electric charges on an object
What are examples of insulators?
wooden spoon, rubber tire
What is Newton's First Law?
(law of inertia) An object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an outside force
What is optics?
The science of light properties and behavior.
Atoms become charged by _______________________________________
gaining or losing electrons
What are examples of conductors?
metal spoon, frying pan
What is Newton's Second Law?
Force is equal to mass times acceleration
What is transparency?
Matter that allows all light to pass through is transparent.
opposite charges _______________
attract
What is Charging by Contact?
process of transferring charge by touching or rubbing
What is Newton's Third Law?
Every action has an equal and opposite reaction.
What is Translucent?
Matter that allows some light to pass through it.
What are Conductors?
material in which electrons move easily
What is charging by Induction?
rearrangement of electrons on a neutral object caused by nearby charged objects
What is the definition of force?
A push or a pull on an object.
What is opaque?
Matter that does not allow light to pass through it.
What are insulators?
material in which electrons are not able to move easily.
What is electric current?
net movement of electric charges in a single direction through a wire or conductor
What is the definition of velocity?
The speed and direction in which something is moving.
What produces a shadow?
An opaque object produces a shadow.