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science test on wave
science test on wave bla bls
Question | Answer |
---|---|
soundwaves travle to a thin sheet | eardrum |
sound waves make eardrum | vibrate |
the inner ear turns vibrations into ________ | signals |
the signals travle to the _______ | brain |
uses ultrasound waves to find underwater objects | sonar |
a sonar device sends _________ waves into the water | ultrasound |
a picture made from reflection ultrasound waves is a(an) | sonogram |
the use of reflection sound waves to find objects in the dark | echolocation |
bats and dolphins us ________ | echolocation |
how loud or solft a sound seems to the person who hears it | loudness |
the more energy it takes to make the sound the _____________ it is | louder |
the closer you are to a sound the _______ it is | louder |
a change in pitch that happens when a sound sorse is moving | doppler effect |
how high or low a sound seems to a person | pitch |
soundwaves travle to a thin sheet | eardrum |
sound waves make eardrum | vibrate |
the inner ear turns vibrations into ________ | signals |
the signals travle to the _______ | brain |
uses ultrasound waves to find underwater objects | sonar |
a sonar device sends _________ waves into the water | ultrasound |
a picture made from reflection ultrasound waves is a(an) | sonogram |
the use of reflection sound waves to find objects in the dark | echolocation |
bats and dolphins us ________ | echolocation |
how loud or solft a sound seems to the person who hears it | loudness |
the more energy it takes to make the sound the _____________ it is | louder |
the closer you are to a sound the _______ it is | louder |
a change in pitch that happens when a sound sorse is moving | doppler effect |
how high or low a sound seems to a person | pitch |
_____ of a sound depends on the frequency of a wave | pitch |
sound waves are _______ waves | longional |
longional waves need a _____ | medium |
when sound waves bounc or reflect back thats a | echo |
sound waves can ______ or _______ | reflect bounce back |
sounds move in ______ faster | elastic |
moves slowly in a ______ medium | dencer |