Atoms
Has a negative charge
Electron
An apple is an example of
Chemical energy
Light travels in a
straight line
Sound is produced by
vibrations
Electricity is the movement of _________ through a conductor
electrons
Has a positive charge
Proton
Name at least three types of energy associated with a car
Mechanical, chemical, sound, light, electrical
The color you are seeing is the color that is being
reflected
The faster the vibrations the higher the
pitch
Static electricity is the buildup of electrons on the ________ of an object.
surface
Has a neutral charge
Neutron
When you plug a fan into a wall you are converting _______ to ________.
When light encounters a new medium it is
refracted
The slower the vibrations the ________ the pitch
lower
Name the four parts of a closed circuit
Bulb, battery, conductor, switch
What happens when something loses electrons
It becomes positively charged
A boulder sitting at the top of a hill
Potential
Objects that absorb or reflect light are described as
Opaque
volume
How do I go from an open circuit to a closed one?
Close the switch
What happens when something gains electrons
It becomes negatively charged
A boulder rolling down a cliff
Kinetic
Objects that allow some light to pass through are known as
translucent
Sound cannot travel in a ___________. It needs gas, liquid, or solid.
vacuum
Why does hair stick to a balloon after the balloon has been rubbed against the hair?
Because they have opposite charges