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transfer of any type of energy
What is a wave
This wave moves in a horizontal direction
Particles of this wave move back and forth in the same direction as the wave. Ex. Sound waves
What is a longitudinal wave?
a longitudinal wave that carries sound.
What is a sound wave?
How high or low a musical note is. Caused by the frequency of a wave.
What is pitch?
The substance an energy wave moves through
What is a medium?
the cone or funnel that collects sound waves and directs them into your ear.
What is the outer ear?
produced because the frequency of the sound wave CHANGES as sound moves toward or away form a listener.
What is the doppler effect?
the amount of energy a sound wave carries impacts this.
What is loudness?
The vibrations of sound change here to electrical signals that travel to our brain.
What is the inner ear?
The way to measure the loudness of a sound.
What are decibels?
Energy that moves as an electromagnetic wave. Caused by an electric field and a magnetic field vibrating together.
What is radiation?
made of of 3 bones that receive sound waves.
What is the middle ear?
The way light energy moves. This wave does not need a medium to move through.
What are electromagnetic waves?
The range of light your eye sees
What is visible spectrum?
People can see clearly things that are close by but cannot make out things far way.
What is Nearsightedness?
a person has trouble seeing things that are close but can easily make out images that are farther away?
What is farsightedness?