Questions with the keyword 'sound'

• Do sound waves keep travelling? if so why can’t we always hear it? If not, where do the sound waves go? by jackietang to Amy, Drew Comments: (No comments so far )
• Why do all animals make different sounds? by melissamartin123 to Amy, Drew, Julia, Kimberley, Sara Comments: (No comments so far )
• Quantum Physics tells us that a quanta doesn’t exist unless it is being observed. based on that, answer the following by willemh and 1 other. to Sara, Kimberley, Julia, Drew, Amy Comments: (No comments so far )