Sound 4th Grade
Terms
undefined, object
copy deck
- What produces sound?
- Objects vibrating
- What can sound can travel through?
- Solids, liquids, and gases.
- What can sound NOT travel through?
- an absolute vacuum
- What makes up the outer ear?
- The pinna, the ear canal, and the ear drum.
- High frequency wave lengths result in what type of sound?
- High pitch
- Low frequency waves result in what type of sound?
- Low sound
- The amount of wave lengths of a sound refers to its ______________?
- Fequency
- What does a sound travel fastest through?
- Solids
- Sound cannot travel through this?
- A vacuum
- What is pitch?
- The difference in the highness and lowness of a sound.
- A thick string stretched loosely produces what type of sound?
- Low-pitched
- A thin string stretched tightly produces what pitched sound?
- High pitch
- The longer the wavelength will result in what kind of sound?
- A lower pitch
- The higher the amplitude of a wavelengh_________________.
- the LOUDER the sound.
- What is a source of a sound?
- Anything that MAKES a sound.
- What does the auditory nerve do?
- Carries nerve impulses from the inner ear to the brain.
- What is in the cochlea?
- Fluid and fine hairs.
- Where are the smallest bones in your body?
- In your middle ear.