Using Sound By: Angelica Percy Dillon Lewis. Acoustics Echoing effect produced by reflection of sounds –Called reverberation Acoustics: the study of sound.

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Presentation transcript:

Using Sound By: Angelica Percy Dillon Lewis

Acoustics Echoing effect produced by reflection of sounds –Called reverberation Acoustics: the study of sound Soft porous materials reduce reverberation

Echolocation Process of locating objects by emitting sound And interpreting the reflected sound waves

Steps to Echolocation Bat sends out ultrasonic cries When one hits a moth it bounces back Bat interprets Reflected sound waves Bat catches it’s prey

Sonar System of reflection to find underwater objects 1.Pulse is emitted downward in ocean 2.The sound wave hits something 3.Sound wave travels back to boat 4.Hydrophone picks up signal

Ultrasound in Medicine High frequency sound waves can be used in medicine Can be used to detect –Pregnancy –Types of heart disease –Cancer Can also treat –Gallstones –Kidney Stones

RESOURCES Hall_copy.jpg facts_images_2007/2-brazilian_free-tailed_bat.jpg

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