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Forces and Sound

  •  English    23     Public
    5th Grade
  •   Study   Slideshow
  • They go back to their initial shape when a force stops acting upon them.
    elastic objects
    plastic objects
    rigid objects
  •  5
  • They do not return to their initial shape when a force stops acting upon them.
    elastic objects
    rigid objects
    plastic objects
  •  5
  • They break if sufficient force acts upon them.
    rigid objects
    elastic objects
    plastic objects
  •  5
  • An object will slow down until it stops because of:
    water resistance
    air resistance
    friction
  •  5
  • A fish swimming in a pond
    air resistance
    friction
    water resistance
  •  5
  • a car traveling on a road
    air resistance
    friction
    water resistance
  •  5
  • a bird flying in the sky
    friction
    water resistance
    air resistance
  •  5
  • When our brain receives vibrations and our brain interprets them:
    water resistance
    friction
    sound
    vibrations
  •  5
  • Movements transmitted through the air that reach our ears and are transformed into electrical impulses inside the ear.
    vibration
    water resistance
    friction
    vocal cords
  •  5
  • When we speak, the air from our lungs makes our _____ vibrate as it passes through our throat.
    sound
    vocal cords
    friction
    vibration
  •  5
  • The volume of a sound.
    Decibels
    Pitch
    Timbre
    Intensity
  •  5
  • Volume is measured in:
    Timbre
    Pitch
    Decibels
    Intensity
  •  5
  • It allows us to differentiate between high and low sounds.
    Timbre
    Intensity
    Decibels
    pitch
  •  5
  • It is the quality of a sound that allows us to identify its source.
    Timbre
    Intensity
    Decibels
    Pitch
  •  5
  • This occurs when a sound hits a distant obstacle. The sound is reflected and returns to our ears.
    Noise Pollution
    Echo
    Reverberation
    Speed of Sound
  •  5
  • This occurs when a sound is reflected by a nearby obstacle. The sound returns quickly to our ears and they overlap.
    Echo
    Reverberation
    Speed of Sound
    Noise Pollution
  •  5