SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

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Presentation transcript:

SOUND

What do you hear?

DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

WAVES

Transversal Waves Crest

Longitudinal Waves

AMPLITUDE – Height of the wave The higher the amplitude, the louder the sound

Frequency – Number of waves per second. High frequency, higher the pitch

SOUND WAVES

Must travel in a MEDIUM.

SPEED OF SOUND

SOUND TO THE EAR

How a trumpet works! nK7o&safety_mode=true&persist_safety_ mode=1&safe=active nK7o&safety_mode=true&persist_safety_ mode=1&safe=active

How a drum works! MMOA&safety_mode=true&persist_safety _mode=1&safe=active MMOA&safety_mode=true&persist_safety _mode=1&safe=active

How an electric guitar works! M5F_0&safety_mode=true&persist_safety _mode=1&safe=active M5F_0&safety_mode=true&persist_safety _mode=1&safe=active

How a cell phone works! NgDoc&safety_mode=true&persist_safety _mode=1&safe=active NgDoc&safety_mode=true&persist_safety _mode=1&safe=active

REVIEW SOUND TRAVELS IN ___________ The higher the amplitude, the _________ the sound The higher the frequency, the __________ the pitch

REVIEW In what medium does sound travel fastest? Solid, liquid or gas Sound is usually measured in _________. Humans hear from _____ to ______ Htz

Label the parts of the waves

What did you learn today?