sound. what do you hear? did you ever wonder how you hear these things?

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SOUND

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DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

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Page 1: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

SOUND

Page 2: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

What do you hear?

Page 3: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

What do you hear?

DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

Page 4: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

WAVES

Page 5: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

Transversal Waves

Crest

Page 6: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

Longitudinal Waves

Page 7: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

AMPLITUDE – Height of the waveThe higher the amplitude, the louder the sound

Page 8: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

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

Page 9: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

SOUND WAVES

Page 10: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

Must travel in a MEDIUM.

Page 11: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

SPEED OF SOUND

Page 12: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

SOUND TO THE EAR

Page 17: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

REVIEW

SOUND TRAVELS IN ___________

The higher the amplitude, the _________ the sound

The higher the frequency, the __________ the pitch

Page 18: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

REVIEW

In what medium does sound travel fastest?

Solid, liquid or gas

Sound is usually measured in _________. Humans hear from _____ to ______ Htz

Page 19: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

Label the parts of the waves

Page 20: SOUND. What do you hear? DID YOU EVER WONDER HOW YOU HEAR THESE THINGS?

What did you learn today?