Noise Pollution

What is noise measured in?

• Hertz

• Frequency

• Decibels

• Pressure

Tags

NGSS.HS-PS4-1

What is it called where structures have suffered stress fractures due to constant exposure to sound that has made them vibrate

• Stress Fracturing

• Acoustic Fatigue

• Acoustic Fracturing

• Stress Fatigue

Tags

NGSS.HS-PS4-1

What is the lowest sound the average 20yrs old can hear?

• 5Hz

• 10Hz

• 20Hz

• 40Hz

Tags

NGSS.HS-PS4-1

What is the highest sound the average 20yrs old can hear?

• 2,000Hz

• 20,000Hz

• 200,000Hz

• 2,00,000Hz

Tags

NGSS.HS-PS4-1

What can be the effects of noise on living organisms? Please tick all that apply

• Hearing Damage

• Stress related ulcers

• Irritability

• No followers on TikTok

Tags

NGSS.HS-LS4-5

Please tick ALL the strategies used to reduce the noise pollution from military aircraft.

• Avoid urban areas

• Avoid ecologically sensitive areas

• Use of baffle mounds

• Only flying at 100ft in Tactical Training Areas

Tags

NGSS.HS-ETS1-3

NGSS.HS-ESS3-4

Please tick all the strategies employed by airports to reduce noise pollution

• Use of baffle mounds

• Taxi towards residential areas

• Taxi away from residential areas

• Restrictions to town planning near airports

Tags

NGSS.HS-ETS1-3

NGSS.HS-ESS3-4

What is pictured here?

• Winglets

• Engine hush kits

• Blended wings

• Chevron nozzles

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What is the important ratio in high bypass engines

• Bypass Air: Engine air

• Engine air: Exhaust air

• Bypass Air: Exhaust air

• Bypass Air: Free flow air

Which strategies are used to decrease noise from aircraft operation. Please tick all that apply

• Steep take off angle

• Shallow take off angle

• Varied descent angle

• Constant descent angle