The 6 different kinds of energy are: mechanical, sound, chemical, electrical, light and heat (aka. thermal).
300
What are the three parts that make up the inner ear?
Cochlea, auditory nerve and semicircular canal.
300
Where does sound travel faster, in water, wood or air? and why?
Sound travels faster in wood because it is more dense than water and air.
300
Which colors make up the visible spectrum?
Red, Orange, Yellow, Green, Blue, Indigo, Violet.
300
Why is the sky blue?
The sky is blue because all the gases in the atmosphere reflect the color blue.
300
Define Electricity:
Electricity is the flow of electrons from one atom to another through a substance.
400
What do the auditory bones do ?
They amplify the vibrations.
400
Why is there no sound in space?
Because space is a vacuum, so there is no molecules that can get vibrated to create sound.
400
What are the primary colors in the visible spectrum?
Red, Blue, Green.
400
What is the definition of Transperent ?
Objects that let light pass trough.
400
What is an electrical current ?
An electrical current is the flow of electrons from one atom to another in a certain direction through a medium.
500
What does the Cochlea do ?
It turns the vibrations into electrical signals.
500
What are the three primary regions of the human ear?
outer ear, middle ear and inner ear.
500
What tool is used to seperate white light into the rainbow colors?
Prism
500
What is the definition of opaque?
Objects that do not let light pass through it.
500
What are conductors and what are insulators?
Conductors are materials through which electrical currents can move freely, and insulators are materials that prevent the flow of electricity through them.