Sound Waves Multiple Choice Questions 7 PDF Download

Learn sound waves MCQs, grade 7 science test 7 for online courses learning and test prep, all around sounds multiple choice questions and answers. All around sounds revision test includes science worksheets to learn for 7th grade science test.

Science multiple choice questions (MCQ) on singing and talking are the with options natural sounds, artificial sounds, man-made sounds and sounds made electronically, all around sounds quiz for competitive exam prep, viva interview questions with answers key. Free science study guide to learn all around sounds quiz to attempt multiple choice questions based test.

MCQs on Sound Waves Quiz PDF Download Worksheets 7

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