Vocabulary Unit 5 Lessons 6-10

optometrist

• a doctor who studies hearing

• a doctor who examines people’s eyes

• the distribution of all the colors that make up the light we see

• a substance that light or sound can travel through, like a solid, liquid, or gas

vibration

• periodic back-and-forth motion of the particles of an elastic body or medium

• a doctor who examines people’s eyes

• the distribution of all the colors that make up the light we see

• a substance that light or sound can travel through, like a solid, liquid, or gas

intensity

• periodic back-and-forth motion of the particles of an elastic body or medium

• a doctor who examines people’s eyes

• the distribution of all the colors that make up the light we see

• the measured strength of light and sound

audiologist

• periodic back-and-forth motion of the particles of an elastic body or medium

• a doctor who examines people’s eyes

• a doctor who studies hearing

• the measured strength of light and sound

frequency

• periodic back-and-forth motion of the particles of an elastic body or medium

• the rate at which sound waves are produced

• a doctor who studies hearing

• the measured strength of light and sound

spectrum

• periodic back-and-forth motion of the particles of an elastic body or medium

• the rate at which sound waves are produced

• a doctor who studies hearing

• the distribution of all the colors that make up the light we see

pitch

• periodic back-and-forth motion of the particles of an elastic body or medium

• how high or low a sound is

• a doctor who studies hearing

• the distribution of all the colors that make up the light we see

volume

• periodic back-and-forth motion of the particles of an elastic body or medium

• how high or low a sound is

• the loudness or intensity of a sound

• the distribution of all the colors that make up the light we see

medium

• a doctor who studies hearing

• a doctor who examines people’s eyes

• the distribution of all the colors that make up the light we see

• a substance that light or sound can travel through, like a solid, liquid, or gas

prism

• a wedge-shaped piece of transparent glass that breaks up light into all the colors of the spectrum

• a doctor who examines people’s eyes

• the distribution of all the colors that make up the light we see

• a substance that light or sound can travel through, like a solid, liquid, or gas