Class 8 science Practice Tests
Class 8 Science Online Tests
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The MCQ: Sound travels at speed of 1482m/s in; "Hearing Sounds" App Download (Free) with answers air, water, steel and water for homeschool certification courses. Solve sound and hearing quiz questions, download Google eBook (Free Sample) for distance education.
MCQ 1: Sound travels at speed of 1482m/s in
MCQ 2: Signals are sent auditory nerves to
MCQ 3: Tiny hairs are moved due to vibrations in fluid in
MCQ 4: The regions where molecules spread out are called
MCQ 5: The brain interprets vibrations and electrical signals as
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