Sound Waves Multiple Choice Questions and Answers 7 PDF Download

Learn sound waves multiple choice questions, grade 7 science online test 7 for elementary school degree online courses, distance learning for exam prep. Practice all around sounds multiple choice questions (MCQs), sound waves quiz questions and answers for science class for 7th grade science test.

Study elementary school science multiple choice questions (MCQs): singing and talking are the, for free online courses with choices natural sounds, artificial sounds, man-made sounds, and sounds made electronically, all around sounds quiz for online certificate courses preparation with online teachers certification, competitive exams. Free science study guide for online learning all around sounds quiz questions to attempt multiple choice questions based test.

MCQs on Sound Waves Worksheets 7 Quiz PDF Download

MCQ: Singing and talking are the

  1. artificial sounds
  2. natural sounds
  3. man-made sounds
  4. sounds made electronically

C

MCQ: In large empty rooms, even a click keeps on

  1. increasing
  2. decreasing
  3. repeating
  4. coming

C

MCQ: Sounds of thunder and horn of lorries are known as

  1. loud sounds
  2. soft sounds
  3. high pitched sounds
  4. low pitched sounds

A

MCQ: Sound is created by our vocal cord due to

  1. air in lungs
  2. cilia in the throat
  3. vibration in throat
  4. vibration in lungs

C

MCQ: Normal value of decibel that our ears can detect is

  1. -20
  2. 0
  3. 20
  4. 40

B