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 - 31

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. 23-31 to learn Grade 7 Science Course. Solve Ultrasound MCQs PDF, Sound Waves Quiz Questions and Answers to learn e-learning courses. The Sound Waves Quiz App Download: Free Grade 7 Science App to learn ultrasound, speed of sound, waves of energy, sound waves and echoes, musical instruments test prep for online schools.

The Quiz: The medical use of ultrasound is to detect "Sound Waves" App (iOS, Android) with answers: cancer cells, baby, infected parts of the body, and damaged organs to learn e-learning courses. Study Ultrasound MCQ Questions, download Amazon e-Book (Free Sample) for elementary school graduation certificate.

Sound Waves Exam Questions and Answers PDF Download: Test 31

MCQ: 151

The medical use of ultrasound is to detect

  1. baby
  2. cancer cells
  3. infected parts of the body
  4. damaged organs
MCQ: 152

The exact speed of sound depends upon

  1. pressure
  2. temperature
  3. density
  4. mass
MCQ: 153

The wave with compressions and rarefactions is known as

  1. transverse waves
  2. longitudinal waves
  3. latitudinal waves
  4. horizontal waves
MCQ: 154

Ships use echolocation to measure the

  1. size of fish
  2. density of water
  3. depth of water
  4. area of ocean
MCQ: 155

An example of 'percussion' is

  1. flute
  2. piano
  3. drum
  4. saxophone

Sound Waves Learning App: Free Download iOS & Android

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Sound Waves Apps (Android & iOS)

Sound Waves App

7th Grade Science Apps (Android & iOS)

7th Grade Science App

6th Grade Science Apps (Android & iOS)

6th Grade Science App

Earth Science Apps (Android & iOS)

Earth Science App