Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics...

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Welcome! The Topic For Today Is…

Transcript of Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics...

Page 1: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Welcome!The Topic For Today Is…

Page 2: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

SoundReflection Absorption Volume and

IntensityCharacteristics of Sound

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Page 3: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 1: 200• Question: What is another word for the reflection of

sound?• Answer• Echo

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Page 4: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 1: 400• Question: Sound reflects best off of what sorts of

materials?• Answer Hard Solids with packed particles

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Page 5: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 1: 600• Question: What happens to sound when it hits a un-

smooth or jagged surface?• Answer It reflects at different angles

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Page 6: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 1: 800• Question: In sound, the angle of reflection equals what• Answer Angle of Incident

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Page 7: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 1: 1000• Question: What is reverberation?• Answer it is the prolonged sound due to the merging

of many echoes.

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Page 8: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 2: 200• Question: What common characteristic do things that

absorb sound have?• Answer They all have holes to allow sound to bounce

around in an lose energy

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Page 9: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 2: 400• Question: Why, when a storm is far away do you hear

only low rumbles?• Answer Because air absorbs high frequencies more

easily than low. By the time the thunder has reached you, all the high pitches are lost and only the low ones can be heard

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Page 10: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 2: 600• Question: True or False Even air absorbs sound.• Answer True

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Page 11: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 2: 800• Question: Name three items that could be in a

auditorium that would help absorb sound.• Answer Teacher decides

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Page 12: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 2: 1000• Question: What happens to the sound that bounces

around in absorbent materials holes?• Answer They lose energy, the energy is transferred

into heat energy

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Page 13: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 3: 200• Question: Define Volume• Answer describes how loud or soft a sound is

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Page 14: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 3: 400• Question: How does intensity relate to volume• Answer intensity measures the amount of energy in a

sound wave. Higher intensity higher volume

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Page 15: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 3: 600• Question: Describe at least two specific ways that people

can control sound• Answer PEOPLE CAN DIRECT SOUND, ABSORBING,

AND REFLECTING SOUND

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Page 16: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 3: 800• Question: An office manager wants to reduce noise

pollution in an office. What kinds of floor and window coverings would be best to use?

• Answer Teacher decides

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Page 17: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 3: 1000• Question: What does amplitude, volume, and intensity• Answer Teacher decides

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Page 18: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 4: 200• Question: What is wavelength • Answer Distance from one crest to the next

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Page 19: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 4: 400• Question: What are the three characteristics of sound?• Answer Wavelength, amplitude, frequency

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Page 20: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 4: 600• Question: Which characteristic of sound effects pitch?• Answer Frequency

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Page 21: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 4: 800• Question: Which characteristic effects the volume of

sound?• Answer Amplitude

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Page 22: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Topic 4: 1000• Question: If a sound has high amplitude and a low

frequency… what kind of sound is it?• Answer Loud/low sound

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Page 23: Welcome! The Topic For Today Is…. Sound ReflectionAbsorptionVolume and Intensity Characteristics of Sound 200 400 600 800 1000 Bonus Question: 5000 pts.

Bonus Question: 5000 pts.

• Question: What property of sound is measured in

decibels?• Answer Decibel indicates loudness (volume, intensity)

of a sound.

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