there are 6 muscles that let you see up down and all around.

the amount of energy a sound wave carries per second through a unit area.

a set of notes that combined in patterns that are pleasing

a phase where all sides are not able to be seen

a material that reflects or absorbs light

the black part that allows light to come in.

another name for the place where your vocal cords are located

the lowest natural frequency of an object

any of the eight stages of the moons

any of the three colors that can combine to make a secondary color

the eye color of the eye.

the change in frequency of a wave as its source moves in relation to an observer.

the objects higher natural frequencies

the pull the attracts all objects toward earth

two or more primary colors combine to make this

a tube that sends blood to the brain.

sound waves with frequencies above the range of a normal humans hearing.

the echoes of the sound that are heard after the sound source stops producing sound waves

all sides of the moon are able to be seen

any two colors that combine to form white light are called this

gives these signals to the brain.

how high or low sounds are

the study of how sounds interact with each other in the environment

when the moon goes between the sun and earth

colored substances that are used to color other materials