Science Light and Sound

• In what type of medium does sound travel the slowest?

  = Gas
• What part of the ear contains the cochlea? = Inner ear
• In what frequency range can permanent hearing loss possibly happen? = < 20 hz
• Which part of the larynx is responsible for the production of sound in humans? = vocal cords
• What frequency range is ultrasonic sound waves? = > 20,000 Hz
• What color has the lowest frequency?

  = red
• In what decibel range can permanent hearing loss possibly happen?

  91-110 dB
• What property of light refers to the bouncing of light waves when it hits a surface?

  rarefaction
• What type of sound waves is used for diagnosis and evaluation?

  ultrasonic
• In what type of medium do sound waves travel the fastest?

  solid
• What part of the visible light region has the highest energy?

  violet
• What is referred to as the highness or lowness of a tone?

  pitch