Class 7 Courses

Sound Waves MCQ App Download | Grade 7 Science PDF e-Book

Class 7 Science MCQs: Chapter 23

Sound Waves Multiple Choice Questions (MCQ) PDF Download | 10

Apps:

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

The Sound waves Multiple Choice Questions (MCQ Quiz) with Answers PDF (Sound Waves MCQ PDF e-Book) download Ch. 23-10 to learn Grade 7 Science Course. Study Ultrasound Multiple Choice Questions and Answers (MCQs) PDF, Sound Waves Quiz Questions and Answers to study online certification courses. The Sound Waves MCQ App Download: Free Grade 7 Science App to learn ultrasound, sound and vacuum, sound waves and echoes, all around sounds test prep for online school classes.

The MCQs: A strong beam of ultrasound can melt even a "Sound Waves" App (Android, iOS) with answers: metal, glass, soap, and wax to study online certification courses. Practice Ultrasound MCQ Questions, download Apple e-Book (Free Sample) for online degrees.

Sound Waves MCQs with Answers PDF Download: Quiz 10

MCQ: 46

A strong beam of ultrasound can melt even a

  1. glass
  2. metal
  3. soap
  4. wax
MCQ: 47

Sound can travel through air because

  1. air has pressure
  2. air has humidity
  3. air has particles
  4. air has temperature
MCQ: 48

Some fishing boats use echo to

  1. calculate the depth of water
  2. detect any predator
  3. detect shoal of fish
  4. eggs of fish
MCQ: 49

Most of the sounds around world are

  1. artificial
  2. natural
  3. man made
  4. made electronically
MCQ: 50

X-rays are only reflected by

  1. soft surfaces
  2. thick surfaces
  3. thin surfaces
  4. hard surfaces

Sound Waves Learning App: Free Download Android & iOS

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

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