Sound Interactions

Soft materials like cushions and sofa will

• Reflect sound only

• Absorb sound only

• Absorb most of the sound but reflect some

• Reflect most of the sound but absorb some

When designing a recording studio, the following is the best design

• a spacious room made of concrete with no curtains or carpeting

• a spacious room with curtains, carpeting, chairs covered in cloth and foam tiles covering the wall

The hammer, anvil and stirrup are three bones located in the

• outer ear

• middle ear

• inner ear

The fluid filled part of the ear responsible for transmitting the sound to the nerve is the

• anvil

• stirrup

• cochlea

• ear drum

Sound is carried to the brain as a

• nerve signal

• vibration

• sound

Hard surfaces, such as ceramic tile, gypsum board, or wood, tend to _______ sound waves, causing ‘echo’.

• transmit

• diffract

• refract

• reflect