- HEARING 8
A rock concert produces at least 110 decibels of noise. How long do you need to be exposed to this level of noise to begin to get hearing damage?- Elephants can hear sounds between one and 20,000 hertz. This means they can hear:
- Long or repeated exposure to noise over 85 decibels can cause hearing loss. Which of the following everyday sounds does not exceed this level?
- Some animals bounce sound waves off an object to detect their location, this is known as echolocation. Which of the following animals does not use echolocation?
- When sound waves reach the ear drum, what happens next?
- When your mother tells you to turn down the radio she is asking you to:
- Which part of the auditory system is the most sensitive to damage from sudden loud sounds?
- Why do people using large noisy drills often wear ear muffs?