Class 7 Online Courses

Class 7 science Practice Tests

Class 7 Science Online Tests

Sound Waves and Echoes Multiple Choice Questions (MCQ) PDF Download

The e-Book Sound waves and echoes Multiple Choice Questions (MCQ Quiz) with answers, sound waves and echoes MCQs PDF download to learn online 7th grade science certificate courses. Solve Sound Waves Multiple Choice Questions and Answers (MCQs), Sound Waves and Echoes quiz answers PDF for elementary school graduation certificate. The Sound Waves and Echoes MCQ App Download: Free learning app for sound absorption, all around sounds, speed of sound test prep for free online courses.

The MCQ As compare to humans, bats can hear sounds only with: low frequency, low pitch, low amplitude and high pitch with "Sound Waves and Echoes" App Download (Free) for elementary school graduation certificate. Study sound waves quiz questions, download Amazon eBook (Free Sample) for free online courses.

Sound Waves and Echoes MCQ Quiz PDF Download: Science MCQs

MCQ 1: As compare to humans, bats can hear sounds only with

A) low frequency
B) low pitch
C) low amplitude
D) high pitch

MCQ 2: The use of echo to measure distance is known as

A) echo destination
B) echolocation
C) echo displacement
D) echo dictation

MCQ 3: Some fishing boats use echo to

A) calculate the depth of water
B) detect any predator
C) detect shoal of fish
D) eggs of fish

MCQ 4: Ships send a small

A) pulse to the sea bed
B) vibration to the tower
C) piece of food to fish
D) beam of sound to check the depth

MCQ 5: The longer, the echo takes, the

A) shallower the water
B) the deeper the water
C) the denser the water
D) the warmer the water

Class 7 Science Practice Tests

Sound Waves and Echoes Learning App & Free Study Apps

Download 7th Grade Science MCQs App to learn Sound Waves and Echoes MCQs, Earth Science Quiz App, and 8th Grade Science MCQ App (Android & iOS). The free "Sound Waves and Echoes" App includes complete analytics of history with interactive assessments. Download Play Store & App Store learning Apps & enjoy 100% functionality with subscriptions!

7th Grade Science App (Android & iOS)

ALL-in-ONE Learning App (Android & iOS)

7th Grade Science App (Android & iOS)

7th Grade Science App (Android & iOS)

Earth Science App (Android & iOS)

Earth Science App (Android & iOS)

8th Grade Science App (Android & iOS)

8th Grade Science App (Android & iOS)