Sound and Hearing Multiple Choice Questions and Answers 7 PDF Download

Sound and hearing multiple choice questions, learn grade 8 science online test prep 7 for elementary school online courses, distance learning for exam prep. Practice pitch and loudness multiple choice questions (MCQs), sound and hearing quiz questions and answers for science class for grade 8 physical science tests.

Study elementary school science multiple choice questions (MCQs): sounds which are below 20hz frequencies are called , for free online courses with choices ultrasound, infrasound, mega sound, and micro sound, pitch and loudness quiz for 8th grade school students for online learning 8th grade science worksheets. Free science study guide for online learning pitch and loudness quiz questions to attempt multiple choice questions based test.

MCQs on Sound and Hearing Worksheets 7 Quiz PDF Download

MCQ: Sounds which are below 20Hz frequencies are called

  1. infrasound
  2. ultrasound
  3. mega sound
  4. micro sound


MCQ: A form of energy which is produced by vibrations and can be detected by ears is called

  1. sound
  2. waves
  3. heat
  4. electric current


MCQ: Loudness is measured by

  1. sound level meter
  2. spectrometer
  3. thermostat
  4. thermometer


MCQ: Sound travels at speed of 5960m/s in

  1. air
  2. water
  3. steel
  4. water


MCQ: Regions where molecules are compressed are called

  1. rarefactions
  2. compressions
  3. digressions
  4. progressions