Class 7 Science MCQs – Certification Test 68

All Around Sounds Quiz (Question 68) – App & e-Book Download

Download eBook:

Class 7 Science Book with Quiz – Google eBook

Class 7 Science Book with Quiz – Apple iBook

Class 7 Science Book with Quiz – Kobo eBook

Apps:

MCQ: 68

For communication astronauts use radio because

sound travels at very high speed in vacuum
sound does not travel in vacuum
vacuum repels sounds
sound energy turns into light in vacuum

Previous MCQ

Next MCQ

All Around Sounds Competitive Exam – Class 7 Science App & e-Book Quiz

Current and Energy MCQs

Feeding Relationships and Environment MCQs

What is Ion MCQs

Physical and Chemical Change MCQs

Seasons on Earth MCQs

What is Mixture MCQs

Small Molecules MCQs

Uses of Radioisotopes MCQs

Making Plastics MCQs

Free All Around Sounds Book App – Download for iOS & Android

The App: All Around Sounds Quiz App to study All Around Sounds Notes, 7th Grade Science Quiz App, and 6th Grade Science Quiz App. The "7th Grade Science Quiz App" Download: Free All Around Sounds Apps (Android & iOS) for elementary school graduation certificate. Download App Store & Play Store Study Apps with all functionalities to learn online classes courses.