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Dogs can hear a range of frequencies lower than our own hear in range called...(Infrasound frequencies or Ultrasound frequencies
Ultrasound frequencies
Elephants can hear a range of frequencies lower than our own hear in range called...(Infrasound frequencies or Ultrasound frequencies
Infrasound frequencies
Loud noise or quiet noise?
Quiet
Loud noise or quiet noise?
Loud
Sound is not a form of energy.(True or False)
False
Speed of sound in air varies with -temperature.(True or False)
True
True or False Sound waves like electromagnetic waves.
False
True or False: Sound energy can travel through outer space (a vacuum).
False
Sound energy needs a medium (solid, liquid or gas) to travel through.
True
Sound energy travels in...(longitudinal or transverse)
Longitudinal
Sound is produced when an object...
Vibrates