Air Pollution

Noise pollution is considered a type of air pollution because... (Select all that apply)

• it affects human health and the quality of life

• it affects wildlife by inhibiting communication

• noise travels the slowest through air

• humans have better hearing than most animals

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What unit of measurement is used to quantify the intensity of sound (How loud it is)?

• Decibel (dB)

• Hertz (Hz)

• Pitch

• Frequency

What unit of measurement is used to quantify the frequency of sound (The pitch)?

• Decibel (dB)

• Hertz (Hz)

• Amplitude

• Period

Tags

NGSS.MS-PS4-1

Sound is nothing more than vibrations in the medium (air or water) that we are in. What type of waves does sound produce?

• Longitudinal waves (Compression waves)

• Transverse waves

• Surface waves

• Ocean waves

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

The decibel scale is logarithmic scale. What does logarithmic mean?

• That each increase on the decibel scale actually increases its intensity exponentially

• That each increase on the decibel scale is actually only a very small increase that is almost negligible

• That each increase on the decibel scale is linear

Tags

NGSS.MS-PS4-1

NGSS.MS-PS4-2

30 dB are 100x's louder than a 10 dB noise & 40 dB are 1,000x's louder than a 10 dB noise. How much louder are fireworks (140 dB) than a normal conversation (60 dB)?

• 100,000,000 (100 Million times louder)

• 1,000,000 (1 Million times louder)

• 100,000 (100 Thousand times louder)

• 10,000 (10 Thousand times louder)

What is the threshold in which sounds can be damaging to the anatomy of our ears & pose significant threat to wildlife?

• 35 dB

• 55 dB

• 85 dB

• 105 dB

How would you categorize noise pollution?

• Air pollution

• Sediment pollution

• Nutrient pollution

• Chemical pollution

Tags

NGSS.MS-ESS3-4

What is a primary pollutant?

• Pollutants that enter directly into our atmosphere as a result of human activity

• Pollutants that form when they reactant with a naturally occurring or artificial substance and undergo a chemical reactions

• Pollutants that are newly discovered an primarily affect human health

Tags

NGSS.MS-ESS3-4

What is a secondary pollutant?

• Pollutants that enter directly into our atmosphere as a result of human activity

• Pollutants that form when they reactant with a naturally occurring or artificial substance and undergo a chemical reactions

• Pollutants that linger in the atmosphere but have recently been discovered to reduce wildlife habitat but secondarily affect human health