Class 7 Courses

Grade 7 Science Quiz App Download - Sound Waves PDF e-Book

Class 7 Science MCQs - Chapter 23

Sound Waves Quiz Questions & Answers PDF Download - 7

Apps:

7th Grade Science App (Play Store) 7th Grade Science App (App Store)

The Sound waves Quiz Questions and Answers PDF (Sound Waves Quiz PDF e-Book) download Ch. 23-7 to learn Grade 7 Science Course. Solve All Around Sounds MCQs PDF, Sound Waves Quiz Questions and Answers to learn online schools courses. The Sound Waves Quiz App Download: Free Grade 7 Science App to learn all around sounds, sound absorption, volume and amplitude, sound waves and noise test prep for online elementary school courses.

The Quiz: Singing and talking are the "Sound Waves" App (iOS, Android) with answers: natural sounds, artificial sounds, man-made sounds, and sounds made electronically to learn online schools courses. Study All Around Sounds MCQ Questions, download Amazon e-Book (Free Sample) for online teaching certification programs.

Sound Waves Exam Questions and Answers PDF Download: Test 7

MCQ: 31

Singing and talking are the

  1. artificial sounds
  2. natural sounds
  3. man-made sounds
  4. sounds made electronically
MCQ: 32

In large empty rooms, even a click keeps on

  1. increasing
  2. decreasing
  3. repeating
  4. coming
MCQ: 33

Sounds of thunder and horn of lorries are known as

  1. loud sounds
  2. soft sounds
  3. high pitched sounds
  4. low pitched sounds
MCQ: 34

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
MCQ: 35

The normal value of decibel that our ears can detect is

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

Sound Waves Learning App: Free Download iOS & Android

The App: Sound Waves Quiz App to learn Sound Waves Notes, 7th Grade Science Quiz App, and Earth Science MCQs App. The "Sound Waves Quiz" App to Free Download 7th Grade Science Apps (Android & iOS) to learn online schools courses. Download App Store & Play Store study Apps with all functionalities for online teaching certification programs.

Sound Waves Apps (Android & iOS)

Sound Waves App

7th Grade Science Apps (Android & iOS)

7th Grade Science App

Earth Science Apps (Android & iOS)

Earth Science App

8th Grade Science Apps (Android & iOS)

8th Grade Science App