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Sound Waves Quiz Review

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  • What happens to air particles when a drum vibrates?
    They stay perfectly still
    They change color
    They squeeze together and then spread out
    They disappear completely
  • Which object demonstrates movement similar to how sound waves travel?
    A spinning top
    A slinky
    A bowling ball
    A jump rope going up and down
  • What is amplitude in relation to sound waves?
    The speed of the sound wave
    The length of the sound wave
    The number of waves per second
    The height of the sound wave
  • How do we hear the frequency of a sound wave?
    Through particles
    Through compression
    Through wavelength
    Through pitch
  • Where is SONAR commonly used?
    Space
    Underwater
  • How do longitudinal waves move?
    In the same direction as the energy transfer
    In circles around the energy source
    In unexpected directions
    Up and down perpendicular to energy direction
  • What is necessary for sound to travel?
    Particles of matter
    Electricity
    Light waves
    Heat
  • What happens to the speed of sound when air temperature increases?
    The speed stays the same
    The speed increases
    The speed decreases
  • What happens to air particles during sound wave transmission?
    They remain completely still
    They permanently change their position
    They spread apart but never come back together
    They transfer energy by bumping into each other
  • Why does sound travel faster in solids than in gases?
    The particles are closer together
    The particles are lighter
    The particles are farther apart
    The particles are heavier
  • How does SONAR work?
    by sending and recieving light waves
    by sending and recieving sound waves
  • What happens to sound energy when it is absorbed by a surface?
    It bounces back immediately
    It transforms into thermal energy
    It completely disappears
    It turns into light energy
  • What unit is used to measure the volume of sounds?
    Hertz
    Decibels
  • What happens to particles in warm air?
    They move more slowly
    They move faster
    They disappear
    They become larger
  • What causes an echo?
    Sound waves bouncing off flat, firm surfaces
    Sound waves being absorbed by soft surfaces
    Sound waves disappearing completely
    ound waves turning into heat
  • In a Longitudional wave, what is it called when the particles are close together?
    Rarefaction
    Wavelength
    Amplitude
    Compression
  • What is an example of an animal that uses echolocation?
    Cats and dogs
    Birds and fish
    Dolphins and bats
  • Which statement about sound travel is TRUE?
    sound travels the slowest in solids
    Sound travels the slowest in liquids
    Sound travels slowest in gases
  • Through which state of matter does sound travel the fastest?
    Liquid
    Solid
    None of the Above
    Gas
  • Why can't sound travel through space?
    Space has too many mediums for sound waves
    The temperature of space is too high
    Space is a vacuum with few or no particles
    The temperature of space is too low
  • What conditions are needed to hear an echo?
    A dark room and a loud noise
    A empty room and a lound noise
    A bright room and a loud noise
    A room full of mattresses and a loud noise
  • What helps carry sound energy through different materials?
    Magnetic fields
    Heat transactions
    Particle collisions
    Light waves
  • What happens to the pitch of a sound when you move toward its source?
    The pitch stays the same
    The pitch disappears completely
    The pitch becomes higher
    The pitch becomes lower
  • Why do particles in gases collide less frequently than in solids?
    Gas particles are too small
    Gas particles are too heavy
    Gas particles are too far apart
    Gas particles don't move
  • What is the first thing needed to create any sound?
    vibrations
    Light
    Music
    Heat
  • What unit is used to measure the frequency of a wave?
    Decibels
    Hertz
  • Which of the following can serve as a medium for sound waves?
    All solids, liquids, and gases
    Only Solids and Gasses
    Only Gasses and Liquids
    Only Gasses
  • What is absorption of sound?
    When sound waves travel through air
    When sound waves transfer energy as they move from a surface
    When sound waves bounce off surfaces
  • What do sound waves transfer through matter?
    Medium
    Water
    Sound
    Energy
  • What is the medium of a wave?
    The substance through which a wave travels
    The direction the wave moves
    The height of the wave
    The amount of energy in the wave
  • What is wavelength in sound waves?
    The time between sound waves
    The distance between compressions or crests
    The distance between all particles
    The speed of the sound wave
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